Premodifier: pulley
Head noun: system

Same concepts
http://dbpedia.org/resource/Pulley

Broader concepts

labelprovenanceconfidence
simple machineisap:4417841110.699380
deviceisap:3893733820.578230
meansisap:1239823040.483554

Narrower concepts

labelprovenanceconfidence
cableisap:1572145530.293302
ropeisap:3122252870.266143
rigisap:2148841750.259897
blockisap:1537924990.245379
husbandisap:2675073680.238029
wheelisap:1562266480.223909