Excavating machinery: such as single bucket excavators (which can be divided into crawler excavators and tire excavators), multi-bucket excavators (which can also be divided into wheel bucket excavators and chain bucket excavators), multi-bucket trenchers (which can also be divided into wheel bucket trenchers and chain bucket trenchers), rolling excavators, milling excavators, tunnel excavators (including shield trench machines) and so on. \ x0d \ x0d \ Earth-moving machinery: such as bulldozers (which can be divided into tire bulldozers and crawler bulldozers), scrapers (which can also be divided into tracked self-propelled scrapers, tire self-propelled scrapers and towed scrapers), loaders (which can also be divided into tire loaders and crawler loaders), graders (which can also be divided into self-propelled graders and towed graders) and transport vehicles (which can also be divided into \ x0d \ x0d \ lifting machinery: such as tower crane, self-propelled crane, mast crane, grab crane, etc. \ x0d \ x0d \ Compaction machinery: such as tire roller, smooth wheel roller, one-legged roller, vibrating roller, tamping machine, tamping machine, etc. \ x0d \ x0d \ piling machinery: such as drilling machine, diesel pile driver, vibration pile driver, pile driver, etc. \ x0d \ x0d \ reinforced concrete machinery: such as concrete mixer, concrete mixing station, concrete mixing building, concrete delivery pump, concrete mixing truck, concrete sprayer, concrete vibrator, steel processing machinery, etc. \ x0d \ x0d \ Pavement machinery: such as leveler, ballast screener, etc. \ x0d \ x0d \ rock drilling machinery: such as rock drilling jumbo, pneumatic rock drill, electric rock drill, internal combustion rock drill and down-the-hole rock drill, etc. \ x0d \ x0d \ Other construction machinery such as bridge erecting machine and pneumatic tools.