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Skid mount is a popular method for distributing and storing machines for the military and industry. Put simply, the machine at the manufacturing point is permanently mounted in a frame or into a metal rail or pallet. The equipment can then be easily and safely transported and used as a unit. A unit such as a firefighter Skid unit can also be placed temporarily to a vehicle to equip it for a task.
Video Skid mount
References
Source of the article : Wikipedia