What is a Disabled Refuge EVC System? An EVC System (Emergency Voice Communication System) is a fixed, monitored and maintained, bi-directional, full duplex voice communication system to assist the orderly evacuation of disabled or mobility impaired people and enhance fire fighters communication during emergencies.
The definition of stalwart is a description for someone who is loyal and strong or for something that is reliable and sturdy. An example of stalwart is a description for a loyal supporter of a cause.
Definition of TECTUM. : a bodily structure resembling or serving as a roof; especially: the dorsal part of the midbrain. â tecÂ·tal \Ëtek-tÉl\ adjective.ADVERTISEMENT.edical Definition of TECTUM. 1. : a bodily structure resembling or serving as a roof. 2. : the dorsal part of the midbrain including the corpora quadrigeminaâcalled also tectum mesencephali.