giratorias puertas giratorias de seguridad y esclusas unipersonales torniquetes carriles puertas de cortesía control de acceso electrónico & datos anterior electronic door locks readers & credentials electromagnetic locks (maglocks) electric strikes switches specialty locks exit devices power supplies...
event, but to the computer it's actually two events – key down and key up - and when multiple keys are involved, the exact sequence and timing can be critical. anyone who types on a keyboard knows this intuitively. if the shift key goes down and up before the a key is pressed, you get a lower case a. holding...
typically low in carbon content. ductility is less than that of the austenitic grades. the corrosion resistance is comparable to the austenitic grades in certain applications. thermal expansion is less than that of austentic stainless steels and comparable to carbon steels. ferritic stainless steels are magnetic...