dc motor subgroup of motor, 8 assertions
CapableOf 2
convert electrical ener… 0.35
drive on either directi… 0.25
HasA 2
commutator 0.40
two terminals 0.25
HasProperty 2
efficient 0.59
expensive 0.16
ReceivesAction 2
powered 0.60
classified into two typ… 0.38