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