• Frederick R. from Tucson, AZ

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    Hello,I possess a Texas Secondary Science Teaching License with endorsements in Chemistry and Biology. This lifetime license was granted in 1991 after scoring well on the EXCET exam. The EXCET is a subject-based competency test administered to Texas students after completing their education course work and student teaching internships. I also possess Master of Science and Bachelor of Science degrees Read more...

  • Charles D. L. from Tucson, AZ

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    I have many years of professional engineering experience in the field of mining, geology, computer applications, software design & coding (Fortran). I use Microsoft programs (Word, Publisher) on a daily basis in my business work, & have some CAD experience in designing parts. Use Corel Photo Shop for editing of my photography, and Corel Draw to prepare various drawings. I Read more...