Abstract: A first end of a connector is attached to the exterior end of a pipe. A second end of the connector is rotatably coupled with respect to the exterior end of the pipe and has female threads for removably receiving a hose. A spray head has a closed end, an open end coupled with respect to an interior end of the pipe, and an intermediate region having a plurality of radially extending micro-holes.

Abstract: A ditch forming apparatus makes the finishing touches on the ground work whereat the ditch is to be formed, pours the concrete, screeds the concrete, and finishes the surface of the concrete. The apparatus uses a hopper with and open top and an open bottom to receive as well as pour the concrete. An extension on the front of the apparatus has a pair of sloped sides joined by a flat bottom making the final shaping of the ground prior to concrete pour. The back edge of the open bottom screeds the concrete while a skid attached to the rear of the apparatus finishes the surface of the poured concrete, the skid having surfaces that are generally parallel with the sides of the extension.

Abstract: A ditch forming apparatus makes the finishing touches on the ground work whereat the ditch is to be formed, pours the concrete, screeds the concrete, and finishes the surface of the concrete. The apparatus uses a hopper with and open top and an open bottom to receive as well as pour the concrete. An extension on the front of the apparatus has a pair of sloped sides joined by a flat bottom making the final shaping of the ground prior to concrete pour. The back edge of the open bottom screeds the concrete while a skid attached to the rear of the apparatus finishes the surface of the poured concrete, the skid having surfaces that are generally parallel with the sides of the extension.

Abstract: An interchangeable trailer ball apparatus provides an elongated hollowed pin which is attached normally to the bumper or drawbar of a vehicle. The bumper provides an internal elongated longitudinal bore with a lateral bore intersecting the longitudinal bore at one end portion. Disposed within the lateral bore is a locking element which is moveably mounted between retracted and projected positions. Disposed slideably within the longitudinal bore of the bumper pin is an actuating rod which is moveably mounted between positions which alternatively allow the locking element to assume an inward retracted position and abut the locking element to move it into the projected position. A trailer ball having a closed end bore is removably attachable to the bumper pin when the locking element is in the retracted position and is secured to the bumper pin by the locking element when it assumes the projected position. The trailer ball can have an annular recess for receiving thereinto the locking element.