Equipment for treating groundwater and soil comprising distribution lines, distribution manifolds, drop tubes, well seals and blowers; Irrigation sprinklers; LED lamps; LED lights for strings, flowers, branches and other ornamental decorations; Refrigerating machines and installations; Shower head sprayers; Solar powered lamps; Toilet seat adaptors for children in the nature of a plastic device that is specially adapted to rest on a toilet seat; USB-powered humidifiers for household use; Wate...