movi - nitr
- mud gun control center
- mud gun control console
- mud settler
- mud trap
- mud-settling sump
- mudhole
- muffle
- muffle furnace
- muffle roaster
- muffled multiple-hearth furnace
- muffled multiple-hearth-type furnace
- muffler
- muller
- mulling
- mulling machine
- mullite brick
- mullite silica felt
- mullock
- multi head torch
- multiaxial stresses
- multiblock machine
- multiburner cutting
- multicavity mold
- multichamber kiln
- multicompartment cell
- multicomponent
- multicomponent metallic system
- multidaylight press
- multideck oven
- multideck screen
- multidie machine
- multidie wire-drawing machine
- multidraft machine
- multielectrode spot welder
- multiflame
- multiflame blowpipe
- multiflame cutter
- multiflame tip
- multigroaved capstan
- multihearth roaster