Assertion: electric motor's power | /r/HasProperty | focused by the use of simple engines
Facets:
value: with block and tackle arrangements
type: OTHER
value: with pulleys
type: OTHER
value: with ropes
type: OTHER
Source sentences:
text: Human power was focused by the use of simple engines, such as the capstan, windlass or treadmill, and with ropes, pulleys, and block and tackle arrangements; this power was transmitted usually with the forces multiplied and the speed reduced.