Extermination of pests; Non-agricultural pest and vermin control advisory, information, and inspection services; Pest control services, other than for agriculture, aquaculture, horticulture and forestry; Pest exterminating (other than for agriculture); Proofing of buildings against pest and vermin access; Proofing of land against pest and vermin access; Proofing of premises against pest and vermin access; Proofing of structures against pest and vermin access