Construction machines for underground engineering in the nature of mechanical rotary excavators, roof bolters, beam setters, scaling machines, jumbo drills; road building machines; wheel loaders; excavators; material handling machines, namely, palletizers, case elevators, automatic pallet dispensing machines and automatic slip sheet dispensing machines; bulldozers; rollers and single-drum rollers for making roads; rolling machines, namely, machines used for building roads and road rollers; ea...