Abstract: A water recreational apparatus has a water basin, a filter and a pump. The side walls of the water basin have side doors to allow the flow of water from the water basin to the filter. A spring or other biasing means is provided to bias the side wall doors to a closed position when the pump is not operating, but allowing the side doors to open when the pump is operating.

Abstract: An assembled hip roof includes a plurality of roofing panels as well as the rafters of the underlying structure that support those panels. Ridge caps preferably extend over the panels at the hip rafters. In a preferred embodiment, a set of metal roofing panels is designed and shaped for use on a specific hip roof configuration, using a minimal number of separate panels. In a preferred embodiment especially suitable for larger area roofs, a plurality of the panels interlock with one another. The panels are preferably coated on one or both sides for protection against scratching during handling and assembly. One or more of the panels preferably include decorative relief, such as the appearance of overlapping wooden boards. In a preferred embodiment of the method of the invention, the panels are manufactured from rolled steel.

Abstract: An assembled hip roof includes a plurality of roofing panels as well as the rafters of the underlying structure that support those panels. Ridge caps preferably extend over the panels at the hip rafters. In a preferred embodiment, a set of metal roofing panels is designed and shaped for use on a specific hip roof configuration, using a minimal number of separate panels. In a preferred embodiment especially suitable for larger area roofs, a plurality of the panels interlock with one another. The panels are preferably coated on one or both sides for protection against scratching during handling and assembly. One or more of the panels preferably include decorative relief, such as the appearance of overlapping wooden boards.

Abstract: An assembled hip roof includes a plurality of roofing panels as well as the rafters of the underlying structure that support those panels. Ridge caps preferably extend over the panels at the hip rafters. In a preferred embodiment, a set of metal roofing panels is designed and shaped for use on a specific hip roof configuration, using a minimal number of separate panels. In a preferred embodiment especially suitable for larger area roofs, a plurality of the panels interlock with one another. The panels are preferably coated on one or both sides for protection against scratching during handling and assembly. One or more of the panels preferably include decorative relief, such as the appearance of overlapping wooden boards. In a preferred embodiment of the method of the invention, the panels are manufactured from rolled steel.

Abstract: A pool, spa, hot tub or the like having a basin capable of retaining water, a first pump for recirculating a portion of the water within the basin to inlet jets within the side walls of the basin and a second pump for recirculating water from the basin to additional inlet jets in the side walls of the basin. Both the first pump and the second pump are driven by a single double-shaft electric motor.

Abstract: An instrument pick is constructed with a finger grip portion and a multiplicity of narrow elongate pick members. Typically, between about 5 and about 30 pick members are used in the instrument pick. The pick members are generally of uniform thickness of between about 0.05 cm and about 0.2 cm. The pick members are generally between about 0.5 cm and about 2.5 cm in length.