Double mooring bollard
Double-drum winch
Draw works
Draw works
Draw works for mobile cranes
Draw works traveling block motion control apparatus
Drawworks
Drawworks apparatus
Drawworks brake control
Drawworks for drilling rigs
Drill floor hole
Drilling rig drawworks hook load overspeed preventing system
Drilling rig with hoist transportable by a vehicle
Drive assembly
Drive for a tire lift mechanism and method for assembling same
Drive for lifting equipment
Drive mechanism for cable drums
Drive rope and drive pulley
Drive system for activating/deactivating motion transmission...
Drive system for activating/deactivating motion transmission...