Power operated machines and apparatus for digging, excavating, mechanical handling, lifting, loading and transporting of earth, minerals, goods and materials, soil, and crops, namely, backhoes, backhoe loaders, excavators, crawlers, handlers, loaders, and forklifts; lifting installations for the transport of persons and goods; elevating work platforms; machines in the nature of booms for performing aerial work, namely, concrete placing booms; compacting and vibrating machines and equipment, n...