Hallux valgus is a common deformity of the big toe, defined as medial deflection of the first metatarsal bone along with lateral deflection of the first toe. Surgery has been shown to be b...
The influence of adverse pool water chemistry on the. vinyl was assessed through observation of changes in vinyl. colour, weight, dimensions, tensile strength and elongation. (stretching). The laboratory studies revealed that the factors most. affecting vinyl liners are high chlorine concentration, and.
Features. 1  The wedding cake step can be used in all vinyl liner pools - polymer, steel, concrete, fiberglass or wood. 2  Molded shell which allows consistent liner instalation, and features a revolutionary clip system to secure the liner to the step for a snug fit. 3  Raisded tread patterns for a slip-resistant finish.