face-masks, without mechanical parts, with or without a replaceable non-woven filter . face-masks of other textile materials gloves . other disposable plastic gloves . non-disposable plastic gloves . surgical rubber gloves . other rubber gloves . knitted or crocheted gloves which have been impregnated...
ropes and tension springs in the side members of the door hold the door leaf under tension when opening and closing. wind, overpressure, and heat or cold cannot affect the door leaf. it is always in shape and can be wound up and unwound without any problems. the extraordinary heavy-duty curtains are...