Electrical: Repairs by removing, replacing, tightening, splicing, soldering and insulating defective wiring, controls, equipment and fixtures such as broken and bare wiring, burned out switches and relays, loose connections and fittings, damaged light fixtures and poorly operating thermostats. Plumbing:makes plumbing repairs, by removing, cleaning, resealing, replacing defective parts or units of utility, supply, and disposal systems, such as dirty traps, sections of broken tile, damaged or broken pipe, leaky faucets, and stopped up drains.