mud clean-up acid

Water and mud-rock pouring up

pick-up up hay baler

boot-up speeding up

half built up crank shaft [= semi-built-up crank shaft

Hold Up And Stop Up Rotating

on the up-and-up

put up or shut up

sequence of train breaking up and making up

up-and-up

up-supply and up-discharge

up-supply and up-exhaust

WARM UP; WARMING UP

(MTC)mud to cement

123 mud acid

AⅡ Mud

abandoned drilling mud

accumulated mud

accumulation of mud