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Hot Shot Secret FR3: Marketing Run Amuck ( Oil Additive Test )
Hot Shot FR3: Marketing Run Amuck
In this video I detail my 12,000 mile test of Hot Shot Secret FR3 Oil Additive. I had this testing going on for over a year and noticed that @themotoroilgeek uploaded a video recently testing oil additives. I'm not disputing anything he said in his video in fact, I have data from my test that backs up exactly what he said in his video. It just so happened that we were doing the same type of testing at the same time and I'll be honest, this testing is lightyears better than what mine is.
Check out @themotoroilgeek 's video here: ua-cam.com/video/CAGT5inQScE/v-deo.htmlsi=TWe77ukam6PC0yYE
The Hot Shot Secret FR3 oil additive had no tangible benefit to using it over straight motor oil alone. Hot Shot Secret's slogan is "Powered by Science" well after conducting some science... Their marketing department must be powered by BS instead.
Products featured in this video:
Hot Shot Secret FR3: amzn.to/4big6gJ
Pennzoil Ultra Platinum: amzn.to/4bHLDbJ
Mobil 1:amzn.to/4ai8MRf
Valvoline: amzn.to/3WJIjce
My Amazon Store: www.amazon.com/shop/repairgeek
Help support the channel, buy using my Amazon links
As an Amazon Associate I earn from qualifying purchases and your cost is exactly the same.
I source all of my service data from the same place that professional shops do. You can as well: www.pntrac.com/t/SENKSUZKRktDSEpOTEtGQ0dKRk9LTw
Questions? Shoot me an email at repairgeek365@gmail.com
Disclaimer:
The information, demonstration and any content contained in this video is for informational purposes only. The user Repair Geek makes no warranty, express or implied, regarding the effectiveness or safety of the contents of this video. In no way should the contents of the video, including the tools used, be repeated or tried by anyone. Viewers should only seek the help of a trained professional located at a licensed auto repair shop for any fix, modification, alteration, or any change to their vehicle. Repair Geek shall not be liable for any injury, damage, or loss to any person or property that may result from use of the tools, equipment, or any content contained in this video. In addition, there is no way to guarantee that the video is not altered or modified or is not in the final form submitted by Repair Geek and therefore, Repair Geek does not warrant that the video is unaltered or not modified. The links on this video to products are for informational purposes only and in no way are an endorsement of the safety or effectiveness of the particular product. Viewers understand that anything contained in this video or linked to or from this video is the sole responsibility of the viewer and in no way provides an express or implied warranty as to the safety or effectiveness of any linked tool, product, or video. Therefore, viewer agrees to release, waive, and discharge Repair Geek or anyone affiliated with Repair Geek, from any and all liability, claims, demands, actions, and causes of action whatsoever arising out of or related to any loss, damage, or injury, including death, that may be sustained by the viewer, or to any property belonging to viewer, regardless of whether the loss is linked to the use of the contents of this video, or otherwise and regardless of whether such liability arises in tort, contract, strict liability, or otherwise, to the fullest extent allowed by law.
Переглядів: 19 472

Відео

Step-by-Step Tutorial: Carburetor Cleaning Made Easy ( How A Carburetor Works )
Переглядів 2,4 тис.21 день тому
Step-by-Step Tutorial: Carburetor Cleaning Made Easy ( How A Carburetor Works ) In this video I'm going to show you the symptoms of a dirty carburetor, how a carburetor works, and finally how I clean a carburetor. Most of these small engine carburetors are all very similar to one another. Any small 4 stroke engine is going to have a carburetor similar to what I'm showing in this video. 2 stroke...
How To Read A Differential Gear Pattern: A Beginner's Guide. ( Gear Tooth Contact Pattern )
Переглядів 13 тис.2 місяці тому
How To Read A Differential Gear Pattern: A Beginner's Guide. ( Gear Tooth Contact Pattern ) In this video I'm going to show you how to correctly read a differential gear pattern. Reading a differential gear pattern is done by painting gear marking compound on the ring gear and rotating the pinion until the paint on the ring gear is removed by the pinion gear. You can analyze the mark in the pai...
Differentials 101: Beginner's Guide to Differential Repair. ( How Differentials Work )
Переглядів 4,7 тис.2 місяці тому
Differentials 101: Beginner's Guide to Differential Repair. ( How Differentials Work ) In this video I'm going to go over the basics of automotive differentials. We are going to cover the basics of how they function as well as covering the basics of what is involved in rebuilding a differential. The first thing that we will go over is how the ring and pinion rotates the tires. Then, we are goin...
Complete Differential Overhaul: DIY Step-by-Step Tutorial. ( Differential Rebuild/Upgrade Ford 8.8)
Переглядів 16 тис.3 місяці тому
Complete Differential Overhaul: DIY Step-by-Step Tutorial. Differential Rebuild and Upgrade In this video I'm going to show you how to do a complete rebuild of a differential assembly. It does not matter the type of differential you are working on the basic procedure for rebuilding a differential is the same. This video is aimed at the DIY'er who has never attempted a repair like this before. J...
If You Think POR 15 is Good Paint... Watch This Video! Paint Testing Eastwood, KBS, POR15, and More.
Переглядів 421 тис.4 місяці тому
If You Think POR15 is Good Paint... Watch This Video! Paint Testing Eastwood, KBS, POR15, and More. In this comprehensive video, join me on an in-depth exploration as I put several rust encapsulating paints to the ultimate test. I've carefully selected a lineup that includes renowned brands such as POR 15, KBS, Eastwood Rust Encapsulator Platinum, Bill Hirsch Miracle Paint, Rustoleum Oil Based ...
The Ultimate Guide to DIY GDI Carbon Cleaning ( Gasoline Direct Injection Intake Valve Cleaning )
Переглядів 99 тис.6 місяців тому
The Ultimate Guide to DIY GDI Carbon Cleaning ( Gasoline Direct Injection Intake Valve Cleaning ) In this video I'm going to take you through everything you need to know about GDI valve cleanings. We are going to cover the differences between port fuel injection and Gasoline Direct Injection or GDI. We'll also talk about why GDI builds carbon up on the intake valves. Then, we will attempt to cl...
After 6 Years, My Lanolin Undercoating Is Still Going Strong! Surface Shield, Fluid Film.
Переглядів 51 тис.6 місяців тому
After 6 Years, My Lanolin Undercoating Is Still Going Strong! Surface Shield, Fluid Film. I have sprayed these trucks with a lanolin undercoating for over 5 years now. So in this video we are taking a look at what the bottom of each truck looks like. One truck was sprayed with Blaster Surface Shield last fall. The other truck I applied Blaster Surface Shield to 2 years ago and didn't spray it l...
GDI Cleaner Comparison: How Well Do They Actually Work? ( GDI / Intake Valve Cleaner )
Переглядів 145 тис.7 місяців тому
How Well Do GDI ( Gasoline Direct Injection ) Cleaners Actually Work? GDI Cleaner Comparison. Today we are talking a look at GDI or Gasoline Direct Injection cleaners and how well they actually work. There is a large difference in performance and price between some of these cleaners. So do the more expensive cleaners clean better? That is what we are going to find out in this video. Gasoline Di...
Who Makes The Longest Lasting Tire Shine? Meguair's, Turtle Wax, 303, Chemical Guys, Ammo, and More!
Переглядів 64 тис.9 місяців тому
Who Makes The Longest Lasting Tire Shine? Meguair's, Turtle Wax, 303, Chemical Guys, Ammo, and More! In this video we are going to take a look at who makes the longest lasting tire shine. I personally have not had much luck with these types of products lasting more than a week on a daily driven vehicle. So with this in mind I set out to find who actually makes the longest lasting tire shine. I ...
The Ultimate Paint Protection: DIY Ceramic Coating for Beginners
Переглядів 13 тис.10 місяців тому
The Ultimate Paint Protection: DIY Ceramic Coating for Beginners Preparation is the key to success when it comes to ceramic coating, so I've got you covered with a comprehensive list of essential preparation steps: 1) Thoroughly wash your car: Start by giving your car a meticulous wash using your choice of car wash soap and a microfiber wash mitt to remove dirt, grime, and loose contaminants. 2...
DIY Exhaust Ceramic Coating Application: Cerakote C-Series. ( Air Cure, No Oven Required )
Переглядів 24 тис.11 місяців тому
DIY Exhaust Ceramic Coating Application: Cerakote C-Series. ( Air Cure, No Oven Required ) In this tutorial, I'll guide you through the step-by-step process of applying Cerakote C-Series ceramic coating on your exhaust, and the best part is, you won't need an oven for curing! Cerakote C-Series is a high-quality ceramic coating designed specifically for exhaust systems, providing excellent heat ...
DIY Head Gasket Replacement: Everything You Need to Know
Переглядів 126 тис.Рік тому
DIY Head Gasket Replacement: Everything You Need to Know In this video I'm going to show you what is involved with replacing the head gasket in your car. A blown head gasket has multiple symptoms. I covered how to properly diagnose a blown head gasket in this video: ua-cam.com/video/j8Ezoeg0Q2o/v-deo.html A blown head gasket replacement is a large job on just about any vehicle. I will show you ...
Diagnosing a Bad Head Gasket: How to Spot the Telltale Signs So You're Not Ripped Off.
Переглядів 402 тис.Рік тому
Diagnosing a Bad Head Gasket: How to Spot the Telltale Signs. If you suspect your car may have a bad head gasket, it's important to diagnose the blown head gasket before it causes more serious damage to your engine. In this video, I'll show you how to spot the telltale signs of a failing head gasket, including low engine compression, overheating, coolant loss, and more. I will also show you the...
Concrete Cleaners Face-Off: The Results May Surprise You...
Переглядів 84 тис.Рік тому
Concrete Cleaners Face-Off: The Results May Surprise You...
Salt and Brine Remover Comparison Testing and Review ( Salts Gone, 303, NHOU, Salt Off & More )
Переглядів 15 тис.Рік тому
Salt and Brine Remover Comparison Testing and Review ( Salts Gone, 303, NHOU, Salt Off & More )
Chevy Colorado / GMC Canyon, Transmission, Transfer Case, & Differential Service. (The Shudder Fix)
Переглядів 78 тис.Рік тому
Chevy Colorado / GMC Canyon, Transmission, Transfer Case, & Differential Service. (The Shudder Fix)
How To Make ANY Lanolin/Oil Undercoating Black. ( Surface Shield , Fluid Film , Woolwax )
Переглядів 40 тис.Рік тому
How To Make ANY Lanolin/Oil Undercoating Black. ( Surface Shield , Fluid Film , Woolwax )
Undercoating Sprayer Buyer's Guide. $35 vs $350. What's the difference?
Переглядів 55 тис.Рік тому
Undercoating Sprayer Buyer's Guide. $35 vs $350. What's the difference?
Lanolin Undercoatings 5 Year Review & Career News... (Fluid Film, Woolwax, Surface Shield)
Переглядів 80 тис.Рік тому
Lanolin Undercoatings 5 Year Review & Career News... (Fluid Film, Woolwax, Surface Shield)
I Drove My 21 Year Old Mustang 3000 Miles to Laguna Seca For a Track Day! Here's how it went...
Переглядів 6 тис.Рік тому
I Drove My 21 Year Old Mustang 3000 Miles to Laguna Seca For a Track Day! Here's how it went...
Longest Lasting Trim Restorer Test. Meguiars "Ceramic", Chemical Guys, Cerakote, Ammo, & More...
Переглядів 160 тис.Рік тому
Longest Lasting Trim Restorer Test. Meguiars "Ceramic", Chemical Guys, Cerakote, Ammo, & More...
How To PROPERLY Flush and Recharge A Contaminated AC System.
Переглядів 237 тис.Рік тому
How To PROPERLY Flush and Recharge A Contaminated AC System.
This One Gauge Makes Every Other Gauge Obsolete! ( Banks Idash )
Переглядів 8 тис.Рік тому
This One Gauge Makes Every Other Gauge Obsolete! ( Banks Idash )
How to Assemble & Test PTFE AN Fittings ( Teflon AN Hose Fittings )
Переглядів 51 тис.Рік тому
How to Assemble & Test PTFE AN Fittings ( Teflon AN Hose Fittings )
DIY Universal Oil Cooler Install. Should You Install An Engine Oil Cooler?
Переглядів 42 тис.Рік тому
DIY Universal Oil Cooler Install. Should You Install An Engine Oil Cooler?
Best Mower Deck Non Stick Spray. ( Mower Deck Undercoating Test Pt 2 )
Переглядів 113 тис.Рік тому
Best Mower Deck Non Stick Spray. ( Mower Deck Undercoating Test Pt 2 )
Can You Damage Your Engine By Washing It? (How To Properly Clean Your Engine Bay)
Переглядів 41 тис.Рік тому
Can You Damage Your Engine By Washing It? (How To Properly Clean Your Engine Bay)
Mower Deck Undercoating Test. Surface Shield, Fluid Film, CRC Cosmoline
Переглядів 193 тис.Рік тому
Mower Deck Undercoating Test. Surface Shield, Fluid Film, CRC Cosmoline
Transform Your Mustang's Handling: Installing Maximum Motorsports Suspension on a 79-04 Mustang
Переглядів 22 тис.Рік тому
Transform Your Mustang's Handling: Installing Maximum Motorsports Suspension on a 79-04 Mustang

КОМЕНТАРІ

  • @thinusary1
    @thinusary1 15 хвилин тому

    i want to remove it all in mine

  • @nate.leal.
    @nate.leal. 46 хвилин тому

    039-122?

  • @smiley3303
    @smiley3303 Годину тому

    They are going to come for you!

  • @justinmiller9380
    @justinmiller9380 Годину тому

    Ill wqit ubtil hotshots has a rebutal

  • @yms9829
    @yms9829 Годину тому

    But this would not scale. NVH is costly

  • @FishyFelix
    @FishyFelix Годину тому

    can't you just cut a hole in the tire to gain access to the tire pressure sensor? Save yourself a lot of time and you could probably leave the tires on the vehicle while you change out the batteries.

  • @llineedsadragstrip4089
    @llineedsadragstrip4089 2 години тому

    I don't like hot shot secrets I think it's garbage you got to pour way too much of it in the motor to gain any performance.... I'm a very big fan of. Moglide......it works.

  • @llineedsadragstrip4089
    @llineedsadragstrip4089 2 години тому

    If the guys in NASCAR got an edge on this and used it on their car and they gained performance from it or any oil additive.... If they were gaining an edge with the oil additive they're not going to tell everybody. All those guys in NASCAR have secrets so if they're using something and they get performance from it they're not going to tell everybody. ...

  • @JeremyHarrison7900
    @JeremyHarrison7900 2 години тому

    What a great video and so helpful! Thank You. By following this I was able to replace the belt and pump on my 2016 Pilot with no problems. I do have one recommendation. Use the release valve on the back side of the engine to drain your coolant from the block first. I did that and had almost no coolant flow out from the pump during the change. Thanks again!

  • @steventyminski3037
    @steventyminski3037 2 години тому

    Nice video, to the point, didn't have to watch your cat or kids. Do you have a list of all the additional parts necessary to complete this task? valve cover gasket, timing cover gasket, front seal, etc....?

  • @CrunchyKai
    @CrunchyKai 3 години тому

    Been converting and red oxide the rust on my underside after finding a hole 😢 I’m wondering is it best if I treat all the rust by wire wheel and then rust convert, red oxide and then chassis paint to put lanoguard on top

  • @GrantRTanner
    @GrantRTanner 3 години тому

    Anyone ever used thixo trop by Salts Gone?

  • @kmlumd44
    @kmlumd44 4 години тому

    Good work. The website link alone on oiil quantities was priceless. There is no way to access this data online thru other videos or thru a google search. I spent a lot of time wondering a specific pag oil amount for my condenser replacement.

  • @alexz9334
    @alexz9334 6 годин тому

    Please test Tribotex

  • @madman-ym7nw
    @madman-ym7nw 8 годин тому

    The rust was on a patch panel that was in the weather for a few years then surface sanded and covered with vht

  • @Homme_Pur
    @Homme_Pur 8 годин тому

    For the weight thing it depends on the car, if it's sub 1000kg I'm fairly sure you'll feel a 50kg increase instantly (I can feel the difference between a full tank and an empty one instantly, 45L of gas is only about 30kg and it's at the center of the car). But to be fair since ~1300kg is already fairly light by modern car standards (about 1.5 times my 800kg nugget) yeah most people won't feel it or it's going to be negligible

  • @madman-ym7nw
    @madman-ym7nw 8 годин тому

    Just removed vht that was put on 4 years ago and there was a significant amount of rust scaling under the vht you would have never known it just by looking at it but it would eventually lift after the rust scaling separated

  • @Santor-
    @Santor- 8 годин тому

    I wonder how this could work togetger with some spray on undercarriage coating, and perhaps cost etc.

  • @mikegore5840
    @mikegore5840 9 годин тому

    Think your better off taking a piss in your motor. Interesting video.

  • @Real-CB-News
    @Real-CB-News 10 годин тому

    This is a very well presented video, and backed up with factual evidence from two reliable sources. It's only logical and stands to reason big petroleum has formulated motor oils to their specifications for modern engines with necessary additives already in them. Dura Lube, STP, Sea Foam, Prolong, Motor Kote, Liquimoly, Zmax, etc.. is all entry-level marketing 101 snake oil

  • @AUDIO2AUTO
    @AUDIO2AUTO 11 годин тому

    At that point would have been easier to get a new CV axle that matched the hub

  • @Mike_44
    @Mike_44 11 годин тому

    Hello, I’m doing this whole service on sn ‘05 Subaru Outback. I have the compressor out of the car and introduced the PAG oil through the big suction port to lubricate. Did I make a mistake and had to introduce the oil through the high pressure port (smaller hole) instead? Please let me know.

  • @user-gj8xb3qh7v
    @user-gj8xb3qh7v 12 годин тому

    Just wondering why Tremclad wasn’t included in your product testing. I’m looking into repainting a metal roof and am looking for how it compares to the others.

  • @toonamife
    @toonamife 12 годин тому

    If I ever get Death Wobble it's around 35-40 mph. But honestly you've helped me plenty by " rebuild front suspension".

  • @BoxxerCore
    @BoxxerCore 15 годин тому

    I recently used spring compressors like these to change the 2 front shocks on my Fiat Doblo. I got the spring 90% compressed and one of the clamps slipped and was just barely hanging on. I had to wrap wratchet straps round of and very carefully re position itAbsolutely TERRIFYING They work great if you take your time ,

  • @DarrelShaw-ys2yh
    @DarrelShaw-ys2yh 16 годин тому

    It's not that difficult? Your motor is still in pieces.

  • @willrogers5713
    @willrogers5713 18 годин тому

    this is unreal

  • @josephwebb3006
    @josephwebb3006 19 годин тому

    I would like to see the same test with the new SYNTHETIC Marvel Mystery Oil, please! I've added it to my 02 Tundra according to MMO directions and note that the engine is running smoother and quieter. Maybe it's good for shirt durations? Thanks!

  • @antibrevity
    @antibrevity 20 годин тому

    These products *do* work. They work to make money for the sketchy companies that sell them. Car companies have pursued ultra-light oils over decades to even get 0.5% improvements in MPG, so 5% is an absolute impossibility. Whenever you see phrases like "up to", you know you're being lied to as those are not legally-binding claims. I can sell you a horse and say you'll get "up to" 1000 miles out of it before it drops dead, but you can't sue me when it does so at 1 mile as I didn't guarantee anything. Implications are not promises, just as buying an expensive, new car won't make you feel better about yourself for more than a week, despite the TV ads showing attractive, confident people owning the roads in their Brand X, $75K security blanket. Consumers don't think, they feel, and every corporate board room knows it. It's why truck grills are now 6 foot tall and kill every pedestrian they hit; those grills make buyers *FEEEEEL* powerful because they're gullible fools who don't give a crap about kids on bicycles anyway. They'd rather be seen in a truck that looks menacing than save lives; their own kids are safely strapped into their truck. Won't you feel good about how well you're caring for your engine by pouring an expensive bottle of goop into your crankcase? You'd better, because Hot Shot and the other scammers need new vacation homes and jets. Even with the "high" levels of iron in these oil samples, the engine is likely to outlive the rest of the vehicle, so worrying about finding the perfect oil may be a misplaced priority when the vehicle may rust apart in 20 years. Modern engines and lubricants are already better than modern automobiles, even if you use Walmart or Amazon oils that meet your manufacturer's specifications.

  • @dennyfrontier
    @dennyfrontier 21 годину тому

    You dont pressure wash the under of the car before coating it again each year? Over the course of the winter, doesnt the existing coating trap salt and debris on it and then you just spray over it the following year? Eventually wont the original coating will deteriorate and expose whatever rust causing debris is in between layers?

  • @CRuM770
    @CRuM770 21 годину тому

    You lost me at "go over to the rocker panels". What rocker panels? That's why I'm here, I'm one rust flake away from a Flintstones car.

  • @15DurangoRT
    @15DurangoRT 23 години тому

    How about introducing motor oil, vegetable oil or any other kind of a oil based product to the surface of the plastic?

  • @seanhoward8025
    @seanhoward8025 23 години тому

    This is fine for cleaning the BACK SIDE of the valve, but does NOTHING to clean the critical surface…the valve seat. The chemical cleaning method, done every 10,000 miles as directed, is the best way to keep GDI intake valves clean.

  • @brkbtjunkie
    @brkbtjunkie День тому

    My friend had the Toyota version of my Lexus. We went on a road trip in mine. And when he got back to his car he called me and exclaimed, “my car is so loud!”

  • @burnout245
    @burnout245 День тому

    The piece at 2:49 that comes off, is that part of the seal? Of more like a retaining ring?

  • @victorgranados878
    @victorgranados878 День тому

    Good catch… never would of notice that. Always make second or maybe a third tests just to be 100% sure component works good. Thnx

  • @ericchill864
    @ericchill864 День тому

    Absolutely 💯

  • @aleksandarzoric9419
    @aleksandarzoric9419 День тому

    I’d like to see ceratec same way tested. It would be interesting because it has crazy amount of boron and moly. Should give in 5 Liter oil about 300ppm moly and about 700ppm boron.

  • @StopTeoriomSpiskowym
    @StopTeoriomSpiskowym День тому

    Doors into and under cover. A premium cars get better doors frame gaskets. Noise not come from door gasket or glass frame(example bmw e46 to golf mk4)

  • @SzechuanChickenDog
    @SzechuanChickenDog День тому

    I would think the fact that yhis vehicle has almost all highway miles means that the carbon isnt gonna be nearly as bad as the same vehicle with normal driving...i could be wrong...but her vehicle is getting a daily Italian tuneup...

  • @Timokvei
    @Timokvei День тому

    I got sold to try their Stiction Eliminator in my Detroid Semi. Oh, man, stinks like sh!t, like heated Tub o'Towels or heated ammonia... First few days smell was absolutelly horrible and good thing I put it in just for 2k miles before my oil change was due. Its gone for good now. NEVER again would I put anything like that in my engines... Two of you geeks are great. Usefull content!

  • @clawhammer704
    @clawhammer704 День тому

    Toyota lol

  • @kroolis77
    @kroolis77 День тому

    Wd40 added to wash port added after wash port use.

  • @candyman1967
    @candyman1967 День тому

    What about Utuber Project Farm testing FR3 with mobile 1 oil and the wear scar was less when the FR3 was added ???????

    • @RepairGeek
      @RepairGeek День тому

      Just because you get a test result doesn't mean the test you did is relevant to what goes on in an engine. No engine operates with cold oil and nothing in an engine is lubricated like the Timken test he did. Todd himself said his test in an engine had no load, and a longer test would provide some great information: ua-cam.com/video/MbnkKnORuKI/v-deo.htmlsi=eawWqm0w3p_4_UZf&t=636

  • @95dodgev10
    @95dodgev10 День тому

    For anybody watching this now like i am the 1 gallon and 5 gallon buckets are available on Amazon for $70 and $267 respectively.

  • @thangknowa3288
    @thangknowa3288 День тому

    Take the deck off, turn it over and clean it well, after it dries real good (Next day for me) spray paint the bottom with good spray paint the same color of your deck really good. And NEVER cut wet grass. My mower deck is 20 years old and looks fantastic. I have painted mine twice in it's life. Put more focus on sharpening and balancing your blades.

  • @rvm4574
    @rvm4574 День тому

    What about my generator that is already duel fuel. Can it? or how can it ? be converted or can it with existing hardware for propane that came from the factory.

  • @Doug_Hefernen
    @Doug_Hefernen День тому

    Thank you for sharing your testing and data! I don’t know why manufacturers are allowed to market bullshit.

  • @brandonmcconnell8132
    @brandonmcconnell8132 День тому

    I have mine tuned to stage 1 without any mods just computer tune and trans shift tune i get 34.5 mpg i plan to take bed off and flat bed it and

  • @BryceSH1992
    @BryceSH1992 День тому

    Ladies and gentlemen this man just took us through a third year materials (rust) engineering course under an hour.