12 MATERIAL HANDLING VEHICLES, NAMELY, FORK LIFTS AND LIFT TRUCKS, PALLET STACKER TRUCKS; PARTS/ACCESSORIES FOR FORK LIFT TRUCKS, NAMELY, LOAD ABSORBING UNITS, FOLDING FORKS, MULTI-PRONGED FORKS, MANDRELS, CLAMPS, CLAMPING FORKS, SHOVELS, LOAD TILTERS AND CRANE JIBS; TOW TRUCKS AND TOWING DOLLIES; GUIDE RAILS AND RETAINERS FOR SECURING CARGO ONTO VEHICLES, GROUND HANDLING VEHICLES FOR AIRCRAFT; SELF-PROPELLED TOWING DOLLIES; CONTAINER DOLLIES AND TRAILERS