(1) "Certificate of competency" means approval by the Liquefied Petroleum Gas Board of the employees to be placed in charge of operations, service, installation, and transportation by permit holders;
(2) "Director" means the Director of the Liquefied Petroleum Gas Board appointed by the board and serving with the approval and at the pleasure of the Governor; and
(3) "Permits" means the written authorization granted by the director with the board's approval to persons to engage in the liquefied petroleum gas business.