D.- I used Wilson and National rigs altogether. W.- He's said to be one of the biggest manufacturers of heavy rigs? D.- Of power rigs, of power rigs. W.- That's the, you mean gasoline? D.- Yes, that's, when you speak of power rigs, that's just two rigs, two types of rigs, steam and power. A power rig is diesel or gasoline or natural gas or any internal combustion engines, in other words, and geared to-- (End of Tape)