1、 Eight common dangers.1. Illegal operation.Start, stop and move the machine without permission, do not give a signal when starting or stopping the machine,

​crude oil.WTI crude oil futures in July ended down 0.03 US dollars, or 0.04%, to 70.88 US dollars / barrel. Brent crude oil futures in August closed up 0.74% to US $73.22/barrel.

​Seeing the word "copper ammonia", more people will think that it is a metal substance. In fact, copper ammonia fiber is a kind of regenerated cellulose fiber.

Bio based chemical fiber is a fiber made of biomass as raw material or polymers containing biomass derived monomers. The product has the properties of ecological environment protection, human affinity, bacteriostatic comfort, and biodegradable waste. It has been widely used in underwear, shirts, socks, home textiles and other products.

China is a large country in the production and application of chemical fibers in the world. In 2019, the total output of chemical fibers in China was 58.27 million tons, including 47.51 million tons of polyester, accounting for 81.5% of the total output of chemical fibers.

Polyester fiber is a new anti-cracking reinforced material specially developed and produced for reinforced asphalt concrete. It is a bundled synthetic fiber made of 100% polyester synthetic material and processed by a unique process. It has the advantages of strong chemical stability and strong gripping power with asphalt. When added to asphalt concrete, it can form a three-dimensional distribution of a huge number of fiber monofilaments after stirring, which plays the role of reinforcement and bridging, so as to effectively improve the asphalt mixture. Mechanical properties to prevent cracking of asphalt concrete.