Rapid rolling door is a barrier-free isolation door that can quickly roll up or down at a speed of over 0.6m/s, whose main function is fast isolation to guarantee the air quality at a dust-free level.
Albaabka roga ah ee degdega ah waa albaab go'doomis la'aan ah oo si dhakhso leh isugu rogi kara ama hoos ugu dhici kara xawaare ka badan 0.6m / s, kaasoo shaqadiisa ugu weyni tahay go'doomin deg deg ah si loo damaanad qaado tayada hawada heer aan lahayn boodh.