Does anyone do curtain wall or exterior wall decoration? I would like to ask you a few terms. Can you tell me about line expansion, stone folding, and grille bottom window stone folding on three sides?

The expansion of the lines means that the visible surface of the irregular lines is straightened; the hemming of the stone is a small edge added to the side of the flat stone (usually a shape with an inside-out relationship, which is directly glued to the side of the stone) One edge); the stone of the grille bottom window must be folded into three sides. This must mean that the stone under the window has a corner. The folding mentioned here is the corner of the stone; the back cover of the bay window refers to the edge closing (closing). How to close it depends on the drawing; the cover plate. A better understanding is that the facade stone needs a flat stone to cover it on the top, which is the cover;... These terms are not professional terms. If you understand, you can also name the stone cover yourself. It’s called capping stone