Analyze rock and mud to detect the presence of oil.
Supervises and coordinates activities of workers engaged in construction, installation, inspection, and maintenance of electrical protective signaling systems installed on subscribers’ premises and central station of protective service organization: Reviews work order and surveys subscriber’s premises to plan protective system layout. Estimates labor, material, and construction costs. Consults with architects, builders, and electrical and sprinkler contractors concerning installation of protection devices. Plans circuit layouts and arranges facility rental agreements with wire lessors. Devises work schedules and procedures. Requisitions material and facilities. Verifies progress of work against schedules. Inspects completed installations for conformance to specifications and safety standards, and explains system operating procedures to customer. May contact prospective subscribers to explain services and solicit new business.