What are big wood, medium wood and fine wood ~

Wood products can be divided into four categories: big wood products, Joinery Work, joinery and wood carving.

Joinery Work is the carriage, doors and windows.

Joinery is furniture and wood carvings, such as statues.

Joinery is single and movable, which is a modern division method. It was once called Joinery Work, a big wooden product and carved flowers. Carving, especially wood carving.

In ancient wooden buildings, load-bearing wooden components and wooden frames composed of these components are always called big trees. Since the Song Dynasty, the handicraft industry has mostly been named "Zu", so the industry of designing, making and installing big wood is called "big wood work".

Production of wood and wooden furniture in China.