Not if it's going into a patient's mouth.
behind the headlight is the bulb socket, (wires go into it) grasp it and turn with your fingers. about 1/4 turn, pull back, should pop right out. do not touch new bulb with your bare fingers, as these bulbs will burn out quickly if you do.
yes you should so you dont have to touch things with your bare hands
It can be bare (without varnish) but they should not touch each other as this will create a short circuit.
yes you can and it will not take its magic away only if you touch him/her bare handed
Yes.
No can not with bare hands only with gloves (make sure you don't touch it with skin or it will burn
Dry ice is frozen carbon dioxide. DO NOT touch it with bare fingers! i have
Absolutely nothing!
When ever the hell you want.
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You can touch the newborn puppies with your bare hands. It's not healthy for the puppies though even if the mother allows it.
If your getting a shock by touching a wall than you have a bare wire touching the wall, call an electrition