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Signing UpStep 1: Safety Equipment and Layout
Angle grinders should always be set on the bench with the wheel up. This prevents them from flying across the shop when you don't let it stop before setting it down.
LIGHT is IMPORTANT! If the lights aren't good enough to photograph, then they aren't good enough for power tools!














































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(btw, re: shop safety: there is an incredible tablesaw safedevice that jams metal into the teeth of a circular tablesaw if the blade touches flesh ...i think its called a 'SafeSaw' .. if you can find it on the net, watch the INCREDIBLE video which uses a hotdog, not a finger )
As to the before and after, in the first picture there are two lights visible, the light in the foreground is the after, while the light in the background has yet to be cleaned up. You can see where its plastic covering is discolored and flaking away.
The difference between losing a bit of skin to getting fingers ripped right off can be gloves.
Gloves add bulk and lessens sensation (you can't feel if you're touching something as well you can than with bare hands), so it is easier to get the glove rapped around a spinning tool and injure yourself quite badly.
It's the same reason why clothing worn while using power tools should be close fitting and tucked it.
Safety first. Always.
I've seen some pretty ugly stuff happen when people forget how dangerous power tools are. When you walk into a grinding room and see a glove wrapped around the pedestal grinder, it's terrible. Gloves tend to take your hands with them. Your feeling of touch is reduced, but also skin tends to not catch. You'll get abraded but you won't loose fingers.