Search Results for 'Silika'

Silika published presentations and documents on DocSlides.

WSNZ3466OCT 19August 2019 Aukuso 20198 KEY THINGS FOR WORKERS TO KNOW

by blanko

1/2Silicosis is a permanent lung diseaseWorkers ma...

Debu di Lingkungan Industri

by sherrill-nordquist

Bahaya Debu…. Dapat memasuki tubuh lewat inhal...