4. DESIGN SECTION
4-1-1. BASIC ENGIN .........................................................................................
4-2-1. OBJECTIVES AND EFFECTS OF VENTILATION .................................
4-4-1. CAUTION ON SAFETY ...........................................................................
4-4-6. NOISE .....................................................................................................
4-4-7. NOISE CONTROL ...................................................................................
4-5-1. QUANTITY, DYNAMIC PRESSURE / STATIC PRESSURE ....................
4-6. DUCT DESIGN ..............................................................................
4-6-1. CALCULATION OF PRESSURE LOSSES DUE TO VENTILATION
THROUGH DUCT ....................................................................................
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01-17
01-18
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01-20
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01-25
01-27
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01-31
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