"sanitation"的搜索结果

water and sanitation specialist and shahidul islam

标签: water,and,sanitation,specialis

shelter and sanitation specialist looks at remaining village water infrastructure

标签: shelter,and,sanitation,special

water and sanitation specialist talking with people in bangladesh

标签: water,and,sanitation,specialis

water health and sanitation adviser checks the chlorine level of drinking water

标签: water,health,and,sanitation,ad

sanitation facilities are better maintained with a sense of ownership and responsibility

标签: sanitation,facilities,are,bett

officer inspecting a makeshift sanitation facility

标签: officer,inspecting,a,makeshift

this man from paras village in kaghan valley built a new winter shelter and sanitation

标签: this,man,from,paras,village,in