role involves Making routine checks Planned Preventive Maintenance on gears , motors , overload detection devices , brakes , doors and locks .
O O B-SKILL I-SKILL I-SKILL I-SKILL I-SKILL I-SKILL O O O O O O O O O O O O O O O
NN VBZ VBG JJ NNS VBD NNP NNP IN NNS , NNS , NN NN NNS , NNS , NNS CC NNS .