a stopper
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1.03.01
O-rings are circle objects made from a special kind of rubber and are mainly used as seals to stop spillage of any sort. They are often and mainly used for engineering applications.
A door stop is a piece of trim attached to the inside of the door jam. It is placed so that the door stops against it. Alternately, a door stop is used to hold open a door or to prevent the door from opening too far.
Babies
no it will not stop you from getting electrocuted, unless the rubber touches what ever it is first. Friction gives you electric shocks.
yes
yes
We use foam rubber to stop condesation of water from the surface of pipe.
Maybe not since your whole body isn't covered in rubber
Wood , rubber , glass
maybe the rubber is worn out
stand on polystyrene or rubber
It refers to the lens opening of a camera.