1.Now a day’s multi skill worker is needed for industries and research laboratories. 2.The ancient cannon is made with brass on model of ancient canon on centre lathe. 3.Students grind tool to curve surface and radius turning. Wheel and shaft is fitted with proper tolerance and locked by outside circlip AUTOMATIC HAND SANITIZER machine automatically starts spraying hand sanitizer liquid base alcohol on putting hands below it. It also detects body temperature by its IR sensors which is displayed in a LCD screen attached to it.