A truck (or lorry) is a motor vehicle designed to transport cargo. Trucks vary greatly in size, power, and configuration; smaller varieties may be mechanically similar to some automobiles. Commercial trucks can be very large and powerful, and may be configured to mount specialized equipment, such as in the case of fire trucks and concrete mixers and suction excavators.[from wikipedia]

A firefighting apparatus describes any vehicle that has been customized for use during firefighting operations. These vehicles are highly customized depending on their needs and the duty they will be performing. These duties can include firefighting, vehicle extrication, dangerous goods investigations, urban search and rescue, medical emergency, swift water rescue and plane crashes.[from wikipedia]

A pickup truck or pickup is a light-duty truck having an enclosed cab and an open cargo area with low sides and tailgate.[from wikipedia]

A tow truck (also called a wrecker, a breakdown truck, recovery vehicle or a breakdown lorry) is a truck used to move disabled, improperly parked, impounded, or otherwise indisposed motor vehicles. This may involve recovering a vehicle damaged in an accident, returning one to a drivable surface in a mishap or inclement weather, or towing or transporting one via flatbed to a repair shop or other location.[from wikipedia]

Like model cars, model commercial vehicles are sold both as kits for the enthusiast to construct and paint and as pre-built, pre-painted collectible models. Model kits may be made in plastic, resin, metal (including white metal), and wood; collectables are usually made of die-cast metal and plastic. One of the most used alloys is Zamac, a combination of Zinc and Aluminium. Z.A.M.A.C.: Zinc and Aluminium Metal Alloy Casting. This material is also known as ZAMAK or Mazak.[from wikipedia]