self-acting self-activating self-moving self-regulating
self-acting%5:00:00:automatic:00 self-activating%5:00:00:automatic:00 self-moving%5:00:00:automatic:00 self-regulating%5:00:00:automatic:00
avtomatičen avtomatski samodejen
designed to activate or move or regulate itself
a self-activating sprinkler system