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.
Steps to Clean the Glasses: 1  Spray a small amount of lens or window cleaner on each lens of the glasses. 2  If your lenses have any coatings, refer to the manufacturerâs recommended cleaning solution.3  Use the soft cloth to gently wipe away any debris or oils from the surface using a clean, microfiber cloth.teps to Clean the Glasses: 1  Spray a small amount of lens or window cleaner on each lens of the glasses. 2  If your lenses have any coatings, refer to the manufacturerâs recommended cleaning solution.