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DIRECTION OF VENTILATION
SHAFT LOUVERS
LEGEND:
VENTILATION SHAFT
VSH – 4
VSH – 5
VSH – 3
VSH – 1a
VSH – 1b
VSH – 2
VSH – 6
VSH – 6b
VSH – 6a
VSH – 7
VSH – 8
VSH – 11
VSH – 10
VSH – 9
7.14