sifting

The site processes waste water, sifting out solids, and produces biogas and a form of fertiliser.

Her daughter, Michelle, has been sifting through the rubble and said the search and rescue mission might still turn up more survivors.

Her return ended when she realized she had bloody hands from sifting through all the debris.

The beach babes have been replaced by Environmental Protection Agency crews in hazmat suits sifting through melted electric car batteries and other hazardous waste before it's trucked away to landfills.

Kim works in the public language department sifting through the many foreign words to find Korean equivalents.