The first day of school in the China falls on 1 September, or the first Monday following if September 1 is a Friday, Saturday, or Sunday. In northeastern China, schools open on Monday in mid-August after summer vacation.
3) Improper heating profiles setting lead to unbalanced heating zones temperature inside heating furnace, which causes uneven glass temperature on both different parts of the glass sheet and between the top and bottom glass surfaces, thus may brings irregular white haze on glass surfaces.
Rinsing in Soap and Water. 1  1. Rinse the lenses under warm running water. 2  2. Wash them carefully with a mild soap (such as a dish soap) and warm water. If necessary, use a wet cotton or soft cloth to clean. 3  3. Wipe the soap off with a circular motion as you rinse the glasses under warm water.