อัปโหลดแล้ว 6 ปี ก่อนหน้านี้
http://thehotelschool.com/hotel_management_institute_delhi_ths.html | The Hotel School is the best which offers different types of cleaning related courses to equip a future housekeeper as it is very important topic for a newcomer when he joins the department. Standard cleaning required efficient employees, their training & supervision. There may be different standards of cleaning for different surface & areas.
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