For purposes of this article:
(a) "Commissioner" means the Commissioner of the Division of Labor, or his or her authorized representative.
(b) "Crane" means a power-operated hoisting machine used in construction, demolition or excavation work, which has a power-operated winch and load line and a power-operated boom that moves laterally by the rotation of the machine on a carrier, and which has a manufacturer's rated lifting capacity of more than two thousand pounds. "Crane" does not mean a forklift, digger derrick truck, bucket truck or any vehicle, aircraft or helicopter, or equipment which does not have a power-operated winch and load line.
(c) "Emergency basis" means an occurrence of an event, circumstance or situation that presents an imminent threat to persons or property and constitutes a serious health or safety hazard.
(d) "Employer" means any person, firm, corporation or other entity who hires or permits any individual to work.
(e) "Employee" means any individual employed by an employer and also as defined by the commissioner.
(f) "Tower crane" means a crane in which a boom, swinging jib, or other structural member is mounted on a vertical mast or tower.
(g) "Training or training course" means a course approved by the commissioner which includes some form of testing throughout, or a final written examination or practical test, or both, which ensures, or tends to ensure that learning has occurred and that the objectives of the training have been realized. The commissioner will evaluate whether the approved training adequately demonstrates competency to safely operate cranes.