Firefighter Turnout Gear Offers Superior Flame Resistance| DuPont™ Nomex® -“Beating the Heat”

01:00:02:20, 01:00:09:11 >>LIN WEIHUANG: Right now China is advancing rapidly. For firefighters, it’s a challenge. 01:00:10:20, 01:00:15:14 >>LIN WEIHUANG: I grew up in the country. When I first got into the city, I’d never seen buildings so tall. 01:00:17:07, 01:00:20:15 >>LIN WEIHUANG: I thought, how do we fight fires in such tall buildings? 01:00:21:05, 01:00:24:09 >>LIN […]

How Durable is a BULLET PROOF Car?!

Today is going to be super exciting. Bulletproof cars have been around for a while. Today we’re going to see how durable a bulletproof car really is. We have governments, we have the president of the United States, we have famous people, and a lot of them use bulletproof cars for protection. And today we’re […]

How to galvanize metal (for rust protection)

Greetings fellow nerds. As many of you know, rusting is a problem for a number of items made of iron. While using better metals like stainless steel alloys is one option, another is to protect them by zinc galvanization. In this video we’re going to do just that. First make a solution of zinc sulfate […]

EBike Battery Pack || DIY or Buy || Electric Bike Conversion (Part 2)

in the last episode of this video series I showed you how to create your own sensored ESC in order to power an electric bike wheel with low voltages but since the achieved rotation speed was too slow and not many people want to create their own ESC for an E-bike conversion let’s rather switch […]

Get Better Face Protection with BetterShield™ Full Face Shields

Hi, I’m Andy from MarketLab. We know it’s hard to find face shields that provide the protection you need without impeding you vision. That’s why we’re proud to present the BetterShield™ Full Face Shield, the ideal balance of comfort and safety. BetterShield’s innovative design fits around the contours of your face, providing more complete facial […]

What’s in my (PPE) bag? Heavy Duty Marine Mechanic’s Personal Protective Equipment

Today on Repairs101 I’m going to show you what’s inside my Personal Protective Equipment bag. OK you can see I did a much better job of keeping this one clean than I did with my tool-bag. It’s because I don’t carry it everywhere I just keep it under whatever bench I’m working on. So the […]

Sources of Heat and Protection of Weld pool

So, we have seen that for developing the weld joints, we can use the different processes in which heat can be used or even without application of the heat just by using the pressure joints can be developed. But for the fusion welding process heat is invariably applied for melting the faying surfaces, and thereafter […]

Making a Jacob’s Ladder to Celebrate a Million Subs!

Hi. Shh. (Trying to focus.) Y-YEAH!! ((slap hands)) ONE MILLION SUBSCRIBERS! {{burst-open party horn noise}} {{plop}} Well, this calls for two things. First, I’d like to make a celebration candle, which I’ll make out of a Jacob’s ladder; And second, …I’m gonna *give away four* of these Lulzbot mini to you, my viewers and patrons, […]

How to Make a Battery Protection Circuit (over-discharge protection)

Powering homemade projects with rechargeable batteries is actually more difficult than it sounds. This is because most battery types cannot be over-discharged, as doing so may damage the battery and make it unstable. Consumer electronics overcome this issue by using clever battery protection circuitry that constantly monitors the battery’s voltage, automatically switching the device off […]