Range:
Subjects: Adsorption; Sanitation; Waste water
Subjects: Aerodynamics; Wind tunnels
Subjects: Corporations; Industrial applications; Petroleum; Petroleum products
Subjects: Anaerobic treatment; Waste water; Water treatment; Groundwater
Subjects: Adsorption; Iraq
Subjects: Sodium hydroxide; Distillation
Subjects: Construction; Industries; Management; Safety measures
الموضوعات: الصيانة؛ العراق؛ المباني التاريخية؛ التاريخ؛ الهندسة المعمارية