... area, hotel, restaurant, sanatorium, hospital.Housing district, village, and town.Station, airport, seaport, ship.Factory, mine field, army, tourist ... stench pool were installed with air tub to aerating and aerobic digestion.Noise controlAdopt buried design, little affect ... sludge out.AnticorrosionUse reinforced concrete structure in civil building and carbon steel in main plant. Equipment brushed with ...