rag board造句

• Framers recommend mats of 100 percent rag board made from natural fibers.
• Protect your images in acid-free environments created with 100 percent rag board matting and backing.
• Each bandbox begins with a wooden template, which is used for cutting pieces of acid-free rag board.
• The pre-cut sections of rag board are hand sewn into their oval shape with linen thread, then precisely fitted with a finished wallpaper, which is glued in place.