LEARNit Dictionary
sanitation
noun
/ˌsænɪˈteɪʃn/
UK
/ˌsænɪˈteɪʃn/
US
1
the equipment and systems that keep places clean, especially by removing human waste
سیستم دفع فاضلاب, بهداشت محیط, سیستم بهداشتی