The sheave wheel is a pulley wheel that sits above the mine shaft. The hoist cable passes over the sheave wheel and then down the shaft of the mine.
(copied from google)
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Ig it'd be - I caught a disease when i was on a holiday.
Er..... i do not know the answer to this
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Do not misbehave in the computer laboratory. Do not bring any food or drinks near the machine. Turn off the machine once you are done using it. Do not plug in external devices without scanning them for computer viruses.
