WARNING: The course certificate is valid only after evaluation of practical exercises performed by the trainee, and evaluation of the operator’s performance in the workplace, under the direct supervision of persons who have the knowledge, training, and experience to train operators and evaluate their competence; and where such operation does not endanger the trainee or other employees. Per 1910.178(l)(2)(i)(A), 1910.178(l)(2)(i)(B), 1910.178(l)(2)(ii), and 1910.178(l)(2)(iii)