(1) a citizen of West Virginia, in good health, not less than twenty-four years of age, of good character and reputation and of temperate habits; (2) a person who has had practical experience with dangerous gases found in coal mines; and who has a good theoretical and practical knowledge of mines, mining methods, mine ventilation, sound safety practices and applicable mining laws and rules; and (3) a person who possesses a WV foreman-fireboss certification; or a person