Model waste problems A large piece of paper Etc. The
problem of waste water
disposal problems of women who can not take an elevator to bring bags to the stairs
maid to pick up multiple cleaning cycles. Some people pick up equipment it makes the Lamb shift, while the clean
layout of the store cleaning equipment and wheelchair waste
problems bag of bag leak drip
problem by environmental conditions such as water, rain,
the problem of wear. garbage
การแปล กรุณารอสักครู่..