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.
straâ¢tum (strÄâ²tÉm, stratâ²Ém), n., pl. straâ¢ta. 1  a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another:a stratum of ancient foundations. 2  one of a number of portions or divisions likened to layers or levels:an allegory with many strata of meaning.