The county commissioners shall have the power to visit, examine and inspect all garbage disposal plants and all vehicles licensed under the provisions herein and all places where such vehicles are kept, stored or garaged. The county commissioners shall have free and full access to the grounds, premises and buildings of any garbage disposal plant licensed under the provisions herein and any such vehicles' storage place, and all licensees or their employes are hereby directed to give to the commissioners such means, facilities and opportunity for such visitation, examination and inspection as is hereby provided and required.
16 P.S. § 5187