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.
In each case the litmus papaer was put in a sample tube containing the gas. A. Moist red litmus placed in the vapor of ammonia, NH3 B. Moist red litmus placed in the vapors of chlorine, Cl2 C. Moist red litmus in nitrogen, N2, but touching NaOH solution which wet the sides.