Types of check valves. A ball check valve is a check valve in which the closing member, the movable part to block the flow, is a spherical ball. In some ball check valves, the ball is spring-loaded to help keep it shut.
(October 2016) Learning is the act of acquiring new, or modifying and reinforcing existing, knowledge, behaviors, skills, values, or preferences which may lead to a potential change in synthesizing information, depth of the knowledge, attitude or behavior relative to the type and range of experience.
Associative learning is a form of conditioning, a theory that states behavior can be modified or learned based on a stimulus and a response.This means that behavior can be learned or unlearned based on the response it generates.or Teachers for Schools for Companies. Associative learning is a theory that states that ideas reinforce each other and can be linked to one another. This lesson will explain the theory of associative learning as well as provide some practical, real-life examples of this type of learning.