茫茫大海
一片汪洋

oil pollution of waters bag of waters waters of forgetfulness Waters classification of waste batch treatment of waste coefficient of waste technology of waste disposal quantity of waste flow recovery of waste heat put a stop to extravagance and waste （wining and dining of official guests，touring the country at public expenses） pickling waste waters A-waste protection of waters layout of waters chemistry of sea waters high rupture of waters waters A-waste(s) waste recovering salvage of waste materials utilization of waste material