DERRICK

SN A structure consisting of a vertical mast and a horizontal boom operated by cables on a separate engine or motor. Used for hoisting and moving heavy loads or objects.
CL TRANSPORT
BT CRANE
RT MASTING SHEERS
SHEER LEGS

 
 

DERRICK

SN A structure consisting of a vertical mast and a horizontal boom operated by cables on a separate engine or motor. Used for hoisting and moving heavy loads or objects.
CL MONUMENT <BY FORM>
BT CRANE
RT MASTING SHEERS
SHEER LEGS