37 Aluminum-based battery services namely, repair, maintenance, recharging, refueling, and replacement of aluminum-based batteries used for electricity generation; Aluminum-air battery services namely, repair, maintenance, recharging, refueling, and replacement of aluminum-air batteries used for electricity generation; Galvanic battery services namely, repair, maintenance, recharging, refueling, and replacement of galvanic batteries used for electricity generation; Generator services namely, repair, maintenance, recharging, refueling, and replacement of electric generators; Aluminum-based generator services namely, repair, maintenance, recharging, recharging, refueling, and replacement of aluminum-based electric generators; Aluminum-air generator services namely, repair, maintenance, recharging, refueling, and replacement of aluminum-air electric generators; Galvanic generator services namely, repair, maintenance, recharging, refueling, and replacement of galvanic generators; Generator services for generators using aluminum-based battery, namely, repair, maintenance, recharging, refueling and replacement of generators using aluminum-based batteries; Generator services for generators using aluminum-air batteries namely, repair, maintenance, recharging, refueling, and replacement of generators using aluminum-air batteries; Generator services for generators using galvanic batteries namely, repair, maintenance, refueling recharging, and replacement of generators using galvanic batteries