Identify rosewood

Hainan Huanghuali is a deciduous tree species belonging to the family Fabaceae and the genus Dalbergia. Its sapwood is gray yellow brown or light yellow brown, and is clearly distinguished from the heartwood; The heartwood is reddish brown or yellow brown, often with black stripes, and has distinct growth rings; The pipe holes are visible to the naked eye and are few to slightly few in number. Move the magnifying glass to observe and compare the characteristics of different woods. The most valuable part of Hainan Huanghua pear lies in its core material, known as "grid". Authentic Huanghua pear furniture is made from the core material of Huanghua pear wood. Hainan Huanghua pear needs to grow for decades to hundreds of years to form a large and high-quality core material. Its elegance and shimmering appearance are surprisingly long-lasting gifts. Hainan Huanghua pear is generally divided into bran pear and oil pear. Its material, color, and texture also vary greatly depending on the growing region and climate environment.

The unit is designed for unsupervised public use: controls are recessed or shielded, moving parts are enclosed, and the interface is operable by a child of about six with no instruction. Where a screen is used, the language can be switched without changing the hardware, and the content can be replaced on site.