6 Key and Core Catalog CORES: THE FOUNDATION OF MECHANICAL SECURITY At the foundation of every BEST high-quality key system is the coreâone that is durable, flexible and easy to maintain. We invented the small format interchangeable core (SFIC) in 1921. Over time, our SFIC has only become more responsive to facilities and door openings as weâve
dilapidate in American English (dÉËlÃ¦pÉËdeÉªt ; dÉlapËÉdÄtË) verb intransitive, verb transitiveWord forms: diËlapiËdated or diËlapiËdating. to become or cause to become partially ruined and in need of repairs, as through neglect.
Magmatic differentiation. a process by which rocks of varying composition can arise from a uniform parent magma. Various minerals crystallize at different temperatures, and the composition of the magma changes as it is depleted of the chemical elements withdrawn to make the crystallized minerals. Partial melting.