Abstract: A spike shaped for driving into the soil, has a vertical tube having an upturned lower portion terminating in an upwardly port. The spike has an element for connection with a water supply. It has a closer mounted at the top and its lower end adjacent the port, and restricting the port upon expanding caused by the moisture in the soil. The closer is made of wood cut across the grain in a tree limb. In a modified form, water is supplied by a jar mounted on the pot in which the plant is located. A plurality of devices may be used for a plurality of plants, supplied with water from branches of a common water line, and the device responding and controlling individually.

Abstract: A container for lubricating fluid mounted on the body of a jigsaw, with a flexible line leading from the container to a nozzle mounted on the saw blade and reciprocable therewith. The container is sealed and the fluid is forced out through a capillary passage, by reciprocation, and when it is stationary, the fluid is held in by capillary action. The fluid is forced out in the form of a spray onto the cutting blade and workpiece.

Abstract: A water container has an inlet water line and an outlet water line, each with a one-way check valve therein. An electric heater element heats the water, controlled by a thermo switch that senses the temperature of the water. The switch is set to turn on at a low temperature of the water and turn off at a high temperature thereof. Upon heating and expanding of the water, it is forced out through the outlet water line to the cut plants, and upon cooling and contraction of the water, replenishment water is drawn in through the inlet water line.