1. Varying Pulley Sizes By using pulleys of different diameters, the speed ratio can be adjusted. A smaller driving pulley paired with a larger driven pulley results in a speed reduction, while a larger driving pulley connected to a smaller driven pulley increases the speed.
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They do not need to be painted or stained, and they can simply be wiped down with a damp cloth to remove dirt and grime They do not need to be painted or stained, and they can simply be wiped down with a damp cloth to remove dirt and grime
The bars are closely spaced, making it difficult for intruders to climb over or squeeze through The bars are closely spaced, making it difficult for intruders to climb over or squeeze through