How would the world be without construction equipment? How would it affect human beings?
Construction machines are used for the land, buildings, and roads; things that make our life richer and more convenient. Without construction equipment, those works take us much more energy and time. Construction machines are also very helpful in the disaster area. The world wouldn't be the same place without construction equipment.
Bulldozer which can be used in water [THE GREAT PICTURE BOOK OF CONSTRUCTION EQUIPMENT]