The first thing to look at the color of the board
Pick the popular colors that you like, but also carefully look at the production process, including edge sealing, whether the structure of the furniture is reasonable, the hardware used mainly focuses on the durability factor, and the service life of the imported hardware is 100,000 times, equivalent to twenty. year. Beijing and Junxinmei Furniture suggest that you should look at the cross section of the furniture sheet. The surface is not equal to the inside. The really environmentally friendly sheet is made of fresh wood, so you can see the white fresh substrate after cutting. The particles are relatively large.
The second is to watch
Environmentally friendly furniture should have no irritating taste and does not irritate the eyes, nose or throat. The main reason is the amount of formaldehyde released. The lower the content of formaldehyde in environmentally friendly panel furniture, the better, but the lower the better, the better the strength. Beijing and Junxinmei Furniture suggest that you should look at the certificate presented by the manufacturer at the same time as the product, and the promised formaldehyde content should be tested by the manufacturer to the authoritative organization.
1. Features of tape measure
Gift rulers are used for advertising and promotion. They are divided into Steel tape (steel tape) and leather tape (PVC plastic fiber tape). They are usually cute and compact. Tape measures are also called measuring tools. Eighty-five percent of the world's tape measures are exported from China.
2, the characteristics of the tape measure
(1) The tape measure is too deformed and will not fail
Why didn't it fail? The spring in the tape measure is very long, and its range from completely relaxed to fully tightened is very large. The entire stroke of the tape measure includes it, and there is a margin at both ends, so the tape measure will not fail.
(2) Pull one meter long and pull two meters long, there is no difference in tension
The spring of the tape measure is very thin, and the amount of deformation when it is tightened is also small, so the reaction force is very small, and the force change is not felt when the rule is pulled.
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Yucheng tengxu Measuring Tool Co., Ltd , https://www.hardwaretoolstape.com