Push pull type rolling steel door is used, when:
AOpening area more than10m
BOpening area less than 10m²
CBoth A&B
DNone
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Name the window where shatter open like doors are called
Group C ...................................... buildings
The expected out turn of 2.5 cm cement concrete flooring per mason per day is
Door fitted with glass panels over half of its height is called
The vertical member is used in door frame is called