years' experience. 2-3 years exp, maybe from chemical company, selling ether the end product or ingredients (with pure math's) 2-3 years exp, maybe from chemical company, selling ether the end product or ingredients
years' experience. 2-3 years exp, maybe from chemical company, selling ether the end product or ingredients (with pure math's) 2-3 years exp, maybe from chemical company, selling ether the end product or ingredients