A screw is a --------?

It is what it is. In ebonics it would read: It aint' a watermelon...

Ground screws are screws that have been ground into a fine paste in an industrial tumbling machine. They are extremely useful as a grout for tile. the term would apply to the green screw you find in...

Drill a hole and use a plastic anchor.

Drywall screws tend to have a deeper thread, and often have a plastic sheathe that help to distribute the weight of what you hang on them across a larger area of drywall. This is to prevent the screw...

of course it is the iron screw because it is made up of minerals that rust faster then metal