Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
The definition and classification of the photo frame
The photo frame is similar to a square, the interior is empty, and the photos are just commonly used in the blank space. It is mainly used for the four sides of the photo and strengthen its aesthetics. It is also conducive to protecting the quality of photos, like a picture with glass, which can prevent the photos from changing color. It is hollowed out. Made of various woods, commonly used tung wood, white wood, nanmu, pine wood, etc. The structure of modern minimalist wooden frames on the market is mainly plane wood.
The main purpose of wooden frames is 2::
1. Make decorative materials such as the decorative material of the ceiling. You can also use the walls and windows.
2. Outsourcing of items, such as the frame of the border mirror of the frame of the painting work, is widely used.
![[X]](https://www.sylodium.com/img/placeholder-400x286.png)
