The exit device is available in two design styles.1.The contemporary touch bar (touch bar) type:The touch bar type usually is a one-piece assembly consisting of a rectangular body extending from the lock stile to the hinge stile. Part of the body protrudes beyond the unit as a touch bar (touch pad/c

Public buildings like most industrial and commercial premises are required to meet the conflicting need for both safety and security. Regulations relating to escape from buildings and general safety have made it desirable that doors at exits in public buildings, places of public entertainment, shops