[ excavators, ] pile drivers, pile extractors, earth augers, pile driving machines; [ and other construction machinery and implements, namely, working lift which is an apparatus attached to poles such as utility poles for lifting a gondola carrying a workman or materials by a boom and, namely, an auxiliary kit employed on the spot construction provided with a generator, a welder, a light, a tool box and a self-propelled crawler; ] cranes, traction engines traveling on a row of piles, conveyance equipment, namely, unit runner which is an apparatus for carrying oil pressure units for driving pilers; travelling on a row of piles; and other cargo handling machinery and implements, namely, apparatus for moving hydraulic units or water-jet equipment on a crawler; [ pumps, namely, vacuum pumps, pump device, namely, pile jet which is a system unit for integrating a water jet pump with an oil pressure generator for pilers and driving and oil pressure pump and the water-jet pump using a single diesel engine, for water jet cutter, and other pneumatic and hydraulic machinery and implements, namely, a jet tank which is a storage tank for feeding water to the pile jet, for controlling automatically a submerged pump for collecting water from a reservior and a tank for it, a self-flushing type filter and a feed water pump by supplying power from a built-in generator ]