Most of the jades mentioned in daily life refer to nephrite, and there are many kinds of nephrite products. Generally, they refer to white sheepskin jade, white jade, topaz, purple jade, black jade, jasper, sapphire, ruby and northeast Xiuyu produced in Xinjiang. In the jade carving, the white jade with sheepskin is fine in texture and strong in luster, as white as sheepskin, which can be called "the king of nephrite" and "the crown of white jade". In addition, Nanyang jade, Lantian jade, Hotan jade, agate, crystal, coral, turquoise, lapis lazuli, etc., all belong to the category of nephrite. Later, due to the opening of the Silk Road, the jade produced in Hotan, Xinjiang, was unanimously recognized and began to play a leading role in the processing of royal, official and folk jade. Nephrite gradually evolved into a synonym for hotan jade.

At present, most of the most influential sculptures in China and the West are made of copper. For example, Rodin's The Thinker, The Bronze Age, and The Statue of Liberty are all made of copper, Foshan GRC Building The lines are suitable for sculpture because of the texture, plasticity, unlimited specifications, rich color texture and other reasons of the copper material, which is also an effect that jade, wood and stone carvings cannot achieve. Jade carvings can only do very small works because of the material restrictions, high quality GRC Building Due to the limitations of wood carving technology, there is no precedent for large-scale outdoor sculptures. The inheritor, whose bronze sculptures opened a new chapter in the 5000 year history of copper.

Auxiliary tools for wood carving: mainly hammer, wood file, axe and saw. The purpose of the axe is to cut a large amount of wood with the help of paring. Pay attention not to use too much force when cutting. Do not cut straight up and down. The edge of the axe should be kept at about 45 degrees with the vertical wood grain, otherwise the wood will crack. Hainan GRC component wood file is mainly used in the fine blank stage of round carving, which can replace the flat knife to smooth the chisel marks for polishing; It can also take the place of round knife or oblique knife for hollowing. The function of the wood file is also that it can quickly adjust the modeling structure in a large area, and can be used in combination with the carving knife to make the turning and turning of the figure's clothing patterns vivid and smooth, with both virtual and real effects. The shape of hammers for wooden sculptures in Hainan is flat, flat, wide and square. The dimension of hammer face can be controlled at about 7 × 5.5 × 2.5 cm. Too narrow or too thick will affect the accuracy of the hammer's landing point and the uniformity of force. There are two kinds of hammers: wooden hammers and iron hammers. The wooden hammers generally use hardwoods with a large proportion of wood, such as mahogany, boxwood, sandalwood, beech and fruit trees. The specifications can be controlled at 27 cm in length, 55 cm in width and 45 cm in thickness; The grip is round and slightly flat, and the size is suitable for holding in the hand.

The tasks of decoration design are: first, to achieve the use function of the building itself, reasonably improve the material level of the indoor environment, so that people can be satisfied mentally, and improve the quality of the physical and psychological environment of the indoor space. Modern interior decoration design should apply modern scientific and technological rules and aesthetic laws, especially the principle of applicability and economy for residential buildings, and strive for reasonable layout of interior space, good ventilation and lighting, and conducive to furniture layout, so as to create an ideal indoor environment with less people, money, and things to improve material living standards. It should also follow the aesthetic principles to create a personalized and beautiful indoor environment, which fully reflects the spiritual connotation of different functional spaces and use objects. A designer can make interior design comfortable, scientific and artistic only if he has rich knowledge, high artistic accomplishment and the ability to solve practical problems.