I am new to this and have a basic question which probably has dozen answers...
Basically, I cannot remove a screw from a metal frame. When I tried to push the screwdriver harder, the screw was chipping and I am afraid to go any further.
I heard that there is some liquid/oil that can be poured on a screw to ease it... is this true and are there any suggestions for how to deal with tough screws?
Many Thanks!
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