The internal mechanisms of locks are generally made of brass or die-cast zinc. The cam, which is the tongue that protrudes from the lock to secure it, is usually made of steel or stainless steel. The outer casing of a lock may be made of brass, chrome, steel, nickel or any other durable metal or alloy.
From Wikipedia, the free encyclopedia. Cognitive tests are assessments of the cognitive capabilities of humans and other animals. Tests administered to humans include various forms of IQ tests; those administered to animals include the mirror test (a test of visual self-awareness) and the T maze test (which tests learning ability).
Cognitive Ability Test Cognitive ability tests are a form of psychometric assessment designed to measure general intelligence. The tests are widely used by organisations as part of the recruitment process in order to assess a candidateâs competence and suitability for the role, and to predict future performance.