a structure with equipment for drilling an oil well; an oil platform
the oldest and principal of the Vedas, composed in the 2nd millennium bc and containing a collection of hymns in early Sanskrit
an apparatus used for assessing the performance of a piece of mechanical or electrical equipment
a type of rig in which the topmast slides up and down the lower mast on rings
an offshore drilling rig the legs of which are lowered to the seabed from the operating platform