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.
Tactile or kinesthetic learners are those who learn through experiencing/doing things. For this reason, tactile learners may become bored more quickly than other students while listening to a class lecture. By Grace Fleming. Tactile learners like to experience the world and act out events. To remember a phone number, tactile learners may remember the pattern of their fingers as they press the numbers. Tactile learners can remember complicated directions once they've acted them out. Look over these traits to see if they sound familiar to you. You may be a tactile learner if you are someone who: 1  Is good at sports. 2  Canât sit still for long. 3  Is not great at spelling.