Repair of all electrical malfunctions, including panels, outlets, switches, LED bulbs, and others. Repair of electrical appliances: air conditioners, washing machines, refrigerators, exhaust fans, and some small home appliances (microwave, water cooler, changing filters for home desalination stations, their maintenance, installing and hanging screens). Repair and replacement of wooden and iron door locks. Replacement and installation of water heaters, hoses, faucets, mixers, siphons, and showers.