I'm | Barbara Y. from saint paul MN. If you are interesting in improving your English skills, please contact me. ... contact me
I have a bachelor's degree and PhD in Chemical Engineering and held a teaching license for high school chemistry and physics. I have tutored students in math and science from 4th grade through adults. I've taught high school chemistry, physics, physical science, and electricity. I've also taught college courses in engineering and math. In addition to teaching, I have worked as a chemical engineer in product and process development, in the food industry and with chemical processing.I am particu