cleaning

During maintenance, workers roll through on a tractor equipped with a frame bearing metal bristles that scrape the tunnel walls, cleaning off algae and any growth of invasive mussels.

“Phasing out agricultural burning, maintaining state investments in cleaning up heavy-duty trucks, and off-road agricultural equipment incentives are critical to ongoing local progress,” the American Lung Assn. wrote in a news release.

Even after three days spent cleaning up ash and soot following the devastating Los Angeles fires in January, Villarreal said she was the happiest she’d been in years.

She had studied graphic design back home but, unable to work in her field without papers, instead found arduous work cleaning hotel rooms and offices in Los Angeles.

Young and old talked freely about politics and everywhere Syria's future was debated openly; among street vendors and taxi drivers, boys cleaning shoes.