Abstract: A toilet apparatus comprises a base including a bowl and a rim. The bowl retains water and waste material. The water and the waste material emitting an odor. The rim extends inwardly from an upper periphery of the bowl, wherein the inwardly extending rim includes an upper surface, a lower surface, and an inner surface. The inner surface of the rim including one or more ventilation ports providing fluid communication between an interior of the bowl and a ventilation chamber. The ventilation chamber is connected to a ventilation pipe. An exhaust fan ventilates the odor through the ventilation chamber and the ventilation pipe from the interior of the bowl.

Abstract: A control joint for forming and controlling concrete structures such as floors and tilt-up walls. The joint has a base and an upstanding web and is preferably extruded from plastic having a honeycomb cell structure. The honeycomb structure may include a metal reinforcing section extending within the structure along the length of the joint. The joint may be utilized to form various concrete structures such as sidewalks, pads and tilt-up walls.