Drp making our function:- 1-Mr.,rr.,colour change with dust 2-torch defuse 3-anti iron 4-watch digital 5-ujala Stamp bond paper:- 1-auto fire with 4 inches Stamp bond copper plate:- 1-auto fire with 6inches 2-Mr.,rr.,colour change with dust BLACK TURMERIC FUNCTIONS:- 1-KAPUR TEST 2-LOCK TEST 3-SUA BEND TEST Totally our work with chemical Process.aage bade pichhe ka mat soche kya gaya aage apne children future ki soche BE POSITIVE kumatramdeb@gmail.com