this post was submitted on 20 Dec 2023
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[–] LEDZeppelin@lemmy.world 13 points 2 years ago (4 children)

Wait, what about garage spring? I didn’t get that

[–] z00s@lemmy.world 13 points 2 years ago* (last edited 2 years ago)

Another thing people don't realise is if you are replacing or removing a garage door spring, don't hold it with your bare hand. The coils will collapse and pinch your skin in it, and you aren't strong enough to re-tension it (even if you're Mike Tyson).

Wrap a towel around the spring, and hold that. Then try and pull the towel off after, thinking about how much it would have hurt if it was your hand.

[–] douglasg14b@lemmy.world 7 points 2 years ago

Same kind of danger with a suspension spring in a car or truck.

There is a lot of stored energy in it, with a lot of mass. Meaning there are many fun ways that it can maime or kill you due to any number of circumstances.

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[–] batmaniam@lemmy.world 12 points 2 years ago

Hydraulic systems can be stupid dangerous. If you can't be positive it's depressurized, or are confident whatever work you're about to do will hold when it is pressurized, take the time to find someone knowledgeable.

Of a few other issues: even a small stream can more or less act as it's own hypodermic, putting really nasty (chemically and biologically) stuff into deep tissue. The resulting infections have killed people. I don't think it's like a death sentence but it can that sort of bug you think you'll sleep off and wake up dead.

I work around a lot of grosse stuff, but it doesn't get a head start from inside my muscle tissue.

[–] mack7400@lemmy.world 10 points 2 years ago

If you're underground, urbexing in a bunker or cave, don't assume there will be enough oxygen for you to get back out. Heavy gases can displace it. Bring a meter.

[–] klef25@lemmy.world 7 points 2 years ago (1 children)

Gasoline is explosive. Do not poor it on a fire. If for some reason, you decide that a fire needs gasoline (first, rethink what brought you to this point) poor it on the unlit material and then walk about 20 meters away making a small trail of gasoline away from the material to be lit. Liquid gasoline is not explosive. The vapor that comes off of liquid gasoline is what is explosive. When you go to light you trail of gasoline, stand away from it toss your match or whatever at the trail. The vapor will ignite before the flame hits the ground and then race to whatever you poored the gasoline on. It will then explode and shake the ground under your feet because you thought "if a little is good, more is better." Better yet, just get some actual lighter fluid that was designed for what you're doing and not for propelling a ton of steel down the highway.

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[–] the_q@lemmy.world 5 points 2 years ago

Don't mess around with Jim.

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