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.
Ultrasound technicians, also called diagnostic medical sonographers or sonographers, operate equipment that utilizes sound waves to create images of the body's internal structures.ltrasound technicians, also called diagnostic medical sonographers or sonographers, operate equipment that utilizes sound waves to create images of the body's internal structures.