PERTEMUAN KE 10 SANITASI LINGKUNGAN

1 PERTEMUAN KE 10 SANITASI LINGKUNGAN 1 Sanitasi Hygiene & K3 Ir. Sugiyono A.B., M.Kes.2 CLEANING & SANITIZING 1. Cleaning: o is the removal of matter...
Author:  Ida Kurnia

61 downloads 222 Views 2MB Size