سقف عرشه فولادی (Metal Deck) – خوبینه
To cohere or stick together in a mass. To be restrained from motion, or from customary or natural action, as by friction. To exert a binding or restraining influence. To tie or fasten tightly together, with a cord, band, ligature, chain, etc. To confine, restrain, or hold by physical force or influence of any kind.