May 11, 2012 at 11:06 pm. How long a multi-dose vial eye drop can be used, apart from the temparature of preservation, has to do with the nature of the used preservative. Some preservatives may not keep for more than two weeks e.g. Benzakonium chloride while some can preserve up to one month especially the phenolics.
Definition of 'nail bar'. nail bar. noun. a type of beauty salon specializing in manicure and the decoration of, esp women's, fingernails. Example sentences containing 'nail bar'. But the action doesn't take place at the hair salons and nail bars.
Merchant bar is a range of commodity carbon steel long products widely used in the manufacture and fabrication of a broad range of items. It includes round, square and hexagonal bars, angles, channels and flats. Maximum diameter or width is usually 80-100mm, although flats up to 150mm wide are included.