About NAKASHIMA YOICHI
About 空調技研工業
About 空気調和・衛生工学
About air volume
About air flow(meteorology)
About flow control(process)
About adjustment
About control equipment
About building equipment
About fire protection facility
About smoke
About flow control valve
About safety countermeasure
About disaster prevention
About product design
About system design
About system structure
About systematic classification
About maintenance management
About wind flow rate control
About gas flow control
About fire damper
About smoke insulation
About smoke exhaust
About damper (flow control)
About prevention of fire spreading
About Electric and disaster preventive equipment,elevators,etc.
About Piping fittings,valves
About 風量
About 気流
About 防火
About 防煙
About ダンパ