smokeproof enclosure การใช้

These'pressurization'problems are, of course, non-existent with naturally ventilated smokeproof enclosures.
In the so-called mechanically ventilated smokeproof enclosures, the stairwell is N ) at the door knob or handle.
This is the only type of the original concept of a smokeproof tower ( i . e . : smokeproof enclosure ).
Rather than entering the stairwell directly from the building interior, one enters a smokeproof enclosure by means of an open-air balcony or alternatively, a so-called " open vestibule ", and proceeds thence, to the stairwell itself.
In building safety and construction, a "'smokeproof enclosure "'is a type of exit stairwell that has been designed to keep out smoke ( and other combustion products ) in the event of a fire, so that building occupants may more safely exit the building.