A small industrial vehicle with a power-operated fork-like pronged platform that can be raised and lowered for insertion under a load, often on pallets, to be lifted and moved.
verb
To move or stack with, or as if with, such a vehicle.
hi-lo
noun
A forklift truck.
How often have the words forklift and hi-lo occurred in a corpus of books? (source: Google Ngram Viewer )