Fixed or adjustable centre variable speed pulley?
Pulleys make lifting heavy loads easier, and there are different types such as a fixed center or an adjustible center variable speed pulley. All type [...]
What is a pulley? Its types and uses What is a pulley?
A pulley is a simple mechanical device or machine (that can be wooden, metallic, or even plastic) that includes a flexible rope, cord, chain, or belt [...]
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