self-acting
a. தானாகச் செயற்படுகின்ற, புறத்தூண்டுதல் வேண்டாத.
Self`-act"ing, a. Defn: Acting of or by one's self or by itself; -- said especially of a machine or mechanism which is made to perform of or for itself what is usually done by human agency; automatic; as, a self-acting feed apparatus; a self-acting mule; a self-acting press.