Masse
aggregate
body
bulk
chassis ground
chassis
circuit common
clump
compound
crowd
earth connection
earth
equipment ground
extent
frame
gravitational mass
ground connection
ground
grounded
grounding
lump
mass an
mass plane
mass
material mass
material
matter
measures
mixture
moulding sand
paste
quantity
return
signal ground
signal reference
stock
stuff
substance
volume
weigh
weight