High school diploma or GED required; supplemented by one year of work experience that shows an ability to maintain steady employment in any field; or any equivalent combination of education, training, and experience which provides the requisite knowledge, skills, and abilities for this job. Environmental Factors: Performance of essential functions may require exposure to adverse environmental conditions, such as dirt, dust, odors, fumes, temperature and noise extremes, hazardous materials, toxic agents, disease, traffic hazards, or bright/dim lights.