1. ABS engineering plastic, also known as PC+ABS (Engineering Plastic Alloy) in the chemical industry, is called plastic alloy in Chinese. The reason why it is named PC+ABS is that this material not only has the excellent heat and weather resistance, dimensional stability, and impact resistance of PC resin, but also has the excellent processing flowability of ABS resin. So when applied to thin-wal...
Motorcycle helmets need to be regularly maintained for safer and more hygienic riding. How should motorcycle helmets be maintained? Today, I will teach you 4 simple tricks to keep your helmet fresh and easy to use forever!
1. Appearance
After cycling back, motorcycle enthusiasts will find corpses of various insects attached to the surface of their helmets. After praying for them! Some motorc...
Helmets can be traced back to ancient times. Primitive humans used fibrous materials such as coconut shells, as well as armadillo shells (qi ú y ú ke) and giant turtle shells, to protect their heads during hunting and fighting. To block the attack. Later, with the development of metallurgical technology and the needs of war, metal helmets were invented. The earliest metal helmet abroad was a bronz...
Checking the helmet must be something we do regularly to ensure that it is still functioning properly. The following five are some suggestions given by the editor:
1. Visual inspection
It is very important to regularly check whether the helmet is damaged. Whether it is degraded over time or damaged due to other external factors, ensure that everything is working as it should - such as the...
In April 2020, the "One Helmet, One Belt" security protection operation was launched across the country. During the operation, the public security traffic management department will strengthen law enforcement management, investigate and rectify the behavior of motorcycle and electric bicycle riders who do not wear safety helmets and car drivers who do not use seat belts in accordance with the l...
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