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Mindtouch - driving customer success with self-service, A new kind of software that drives customer success with self-service knowledge. stand-alone or extend into your into products and customer support systems.. Simple machines -- the pulley - edinformatics, A compound pulley is a system of movable pulleys. the mechanical advantage can be increased by using a block and tackle, where there are several pulleys on each axle.. Machine - definition of machine by the free dictionary, 2. 'motor' when a machine operates by electricity, you refer to the part of the machine that converts power into movement as the motor..