As used in this chapter, the following terms shall have the meanings indicated:
A self-propelled vehicle which is or can be used as living or sleeping quarters for one or more persons, having a gross weight in excess of 10,000 pounds or an overall length in excess of 30 feet.
A container designed or used to store or keep goods, building materials, equipment or other personal property, provided that a storage container shall not include containers used for garbage, refuse or debris.
A vehicle, not propelled by its own power, which is capable of being drawn on the public highways by a motor vehicle, including but not limited to non-self-propelled vehicles used as living or sleeping quarters, as offices or for storage or construction purposes, but excluding vehicles used to carry boats.