DEAR SIR/MADAM WE ARE THE MANUFACTURER OF PHYSICS LAB EXPERIMENTS SETUP (APPLIED MECHANICS)LIKE WORM WHEEL,WINCH CRAB,SIMPLE SCREW JACK,GRAVESAND APPARATUS ,INCLINED PLANE ETC AND SOM LAB EXPERIMENTS LIKE HARDNESs TESTER, UTM , IMPACT IZOD TESTER, PETROL ENGINE MODELS AND CUTSECTIONAL MODELS OF ALL AUTOMOBILE ENGINES , HYDRAULLIC BENCH FOR BERNAULLIS THEORM,PIPE FRICTION APPARATUS, FLOW THROUGH ORIFICES AND VENTURIMETERS AND MICROSCOPES