constructive solid geometry shell or boundary – these models represent the surface, i.e. the boundary of the object, not its volume (like an infinitesimally thin eggshell). almost all visual models used in games and film are shell models. solid and shell modeling can create functionally identical objects...
i/o modules, manual motor controllers and protectors, overload relays, plcs, sensors, soft starters, starters, temperature controllers, timers, and variable voltage controllers are all part of industrial control. contact a galco expert contactors control relays counters disconnect switches human machine...