What is the hole cover? What is the angle of protection?
Corner, is installed in the corner of the wall, the protection of the corner is not bump damage, in addition to wood materials, there are generally glass and metal, as shown on the right:
Pass, window sets, corners not only have some of the features mentioned above, but also in some style to create a certain decorative role, but these three are not necessary decoration, if the pursuit of simple style, can not be produced.
Window cover, that is, around the window that circle border, careful observation will find that the window cover is like half of the door
