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 | Hi ghosty, today I will teach you what is a screw usually you would ask yourself how does he know about screw but do you know that screw are used in making boats move. | |
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| Really I never knew it can help move a boat . the screw seems interesting | |
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| A screw is a variation of inclined plane. Its wraped around its axis. Thats what makes it different from the inclined plane it`s like a highway going up a mountain | |
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| I never knew a screw is a variation of | |
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| Screw are used in fans, propellars, hanging things on the wall,etc,etc. | |
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| Oh thanks for teaching me | |
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