Different factors increase risk of disease transmission in beauty salons and respect to its health conditions of barber, place and devices, as the major preventive factors, play an important role in the control of disease transmission. Hence the main purpose of this study was to evaluate effective factors on health and microbial conditions in Gonabad beauty salons in Iran. In a cross-sectional ...

In the traditional designs against contamination of transmission line insulators, maximum insulator severity and surface wetting are assumed as most severe conditions. Then, required number units per string is determined, where a safety margin unit(s) usually allowed based on knowledge obtained at sites in laboratory tests. Other may be created by considering probabilistic distributions factors...