Feb 10, 2021 · Under 1910.178 (b), OSHA goes on to designate and describe different classes of PITs as follows: “ Designations. For the purpose of this standard there are 11 different designations of industrial trucks or tractors as follows: D, DS, DY, E, ES, EE, EX, G, GS, LP and LPS.” (See 1910.178 (b) (1) through 1910.178 (b) (12)) On the one hand, it