>>> Woodworking Construction Knowledge Quiz Suitable for the production and installation of fine wood products, wooden partitions, floral ornaments and high-end fixed furniture. Number of inspections: Perceived census, permissible deviation items 20% of the total random sample. Products that are composed of a variety of materials must be implemented separately according to the constituent materials. The types, qualities, grades, models, specifications and colors of the main materials, accessories and accessories used in wood products must comply with the current requirements for design acceptance and product technical standards in the design requirements. Timber products used in wood should meet the following requirements: 1, wood moisture content ≤ 12% (plastic pieces of wood moisture content of 8-10%); 2, the degree of wood twill = slope length / horizontal length X100% ≤ 20%; 3. Do not use rot or wood that is still worming; 4, the appearance of the material joint diameter ≤ 1/5 material width or thickness, and the maximum diameter ≤ 5mm; 5, the appearance of the material shall not be dead, insect eyes and cracks; 6, the internal joints of the joint diameter ≤ 1/4 material width or thickness, and the maximum diameter ≤ 20mm; 7, the internal material crack length is not greater than the length of the member: 10% of the crack, non-interspersed crack 15%; 8, the internal material blunt edge local thickness ≤ 1/4 material thickness, width ≤ 1/5 material width; 9. No resin pouches are allowed on the painted parts or stored parts; 10, appearance of timber species should be single, stable wood, similar texture, symmetrical; 11. The tree species of the same rubber piece should have similar texture; 12. Strips used for panelling should use tree species of similar texture as much as possible. Buried parts shall be treated according to regulations for antiseptic treatment. After the fine wood products are finished, the moisture-proof base oil shall be immediately brushed again. Fine wood products should adopt the method of connecting eye and glue. Fireproofing works must be fireproofed as required. Inspection methods: observation, measurement, test and inspection, inspection of fire protection records and test report. Decoration woodworking knowledge construction acceptance furniture brand furniture