WAS waste-activated sludge
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- water absorption test
- linear sweep
- singing split
- prosenchymatous cell
- abrasive
- down stroke,undershoot
- button specks
- florist crepe paper
- streww-strain tester
- protective paper
- pulp purification
- cheese roll
- settling off
- dynamite paper
- dandy marks,dandy worm
- setting mortar
- electronic probe sensor
- buff (ing) paper
- ricing
- wood crib