A city of eastern Argentina, an industrial suburb of Buenos Aires. n.
1 Monitor product quality to ensure compliance with standards and specifications. 2  Conduct chemical or physical laboratory tests to assist scientists in making qualitative or quantitative analyses of solids, liquids, or gaseous materials. 3  Order and inventory materials to maintain supplies. Provide technical support or assistance to chemists or engineers. 2  Compile and interpret results of tests and analyses. 3  Develop or conduct programs of sampling and analysis to maintain quality standards of raw materials, chemical intermediates, or products.
Also just known as opticians, optician technicians take eye measurements and create work orders for the ophthalmic lab techs who will make the eye glasses. Opticians often help clients choose glasses and sometimes repair them or assure a good fit by making adjustments. Those working in small shops may also grind or cut lenses to fit frames.