Lifting tongs
Live poultry mover
Live poultry transfer station
Loading pallet
Locomotive brake maintenance lock-out clamp
Man powered airplane
Mine car truck
Mobile crane
Mobile ladder
Modified delta wing supersonic aircraft
Monorail for overhead running carrier
Motor boat
Motor boat
Motor glider
Mounting bracket for fishing outrigger pole
Observation elevator cab
Observation elevator cab
Observation elevator cab
Open hood for a gondola car
Open top rail car end cap