n.the act of separating grain from chaff
同义词：winnowwinnowing
Siftings
SIFTINGS
Siftings
ABSORBENT ACOUSTIC PANELS WITH RUBBER SIFTINGS
On the Asymptotic Estimates of siftings Functions (eng)
Using granite siftings for producing vibro-pressed fine-grained concrete
Briquetting of coal siftings and slacks in the presence of humates
Use of granite rubble siftings for the production of commercial concrete
Production of foam glass with granite siftings from the Mikashevichi deposit
The Influence of Granite Siftings on the Properties of Cleaved Surface Exterior Concrete Bricks Granito atsij taka apdailini skelto ...
