Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.
Safety helmet for road and Bridge Engineering
We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.
Professional team work and production line which can make nice quality in short time.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
Address：No. 3888, Hutai Road, Baoshan District, Shanghai, China
Helmets, inspired ,by woodpecker Woodpeckers, hammer their beaks into trees at the astonishing rate of up to 22 times per second, creating impacts 100 times larger than a human brain can withstand. The special spongy bone structure of the skull is one of the factors that makes ,woodpeckers, so resistant to the massive deceleration forces at work.
23/1/2020, · Yet the ingenious ,invention, came about almost by accident. Velcro was the creation of Swiss engineer Georges de Mestral, who had been inspired by a walk in the woods with his dog in 1941. Upon their return home, de Mestral noticed that burrs (from the burdock plant) had attached themselves to his pants and to his dog's fur.
The first fire ,helmet, had a high crown and broad brim and was ,invented, by Jacobus Turck in the 1730s. The ,helmet was made, of leather. A more ,modern,-looking ,helmet, was created in 1836 by Henry T. Gratacap. It was a reinforced, dome-shaped leather ,helmet, with a front shield and a …
Designs. Some British gamekeepers during the 18th and 19th centuries wore ,helmets made, of straw bound together with cut bramble. Europeans in the tropics often wore the pith ,helmet,, developed in the mid-19th century and ,made, of pith or cork.. Military applications in the 19th-20th centuries saw a number of leather ,helmets,, particularly among aviators and tank crews in the early 20th century.
1/1/2019, · ,Woodpeckers, to ,Helmets, (21st Century Junior Library: Tech from Nature) [Colby, Jennifer] on Amazon.com. *FREE* shipping on qualifying offers. ,Woodpeckers, to ,Helmets, (21st Century Junior Library: Tech from Nature)
A ,helmet, is like a pair of jeans; two ,helmets, the same size can fit differently. Check for certifications. The label should show certification by the U.S. Consumer Product ,Safety, Commission (CPSC). This means the ,helmet, has been tested for ,safety, and meets the federal ,safety, standard. Do not buy a used ,helmet,!
1/8/2012, · From ,Woodpeckers, To... ,Helmets, (21st Century Skills Innovation Library: Innovations from Nature) [Gregory, Josh] on Amazon.com. *FREE* shipping on qualifying offers. From ,Woodpeckers, To... ,Helmets, (21st Century Skills Innovation Library: Innovations from Nature)
4/5/2018, · Gardner pushed for his ,invention, to be used by racers in the Isle of Man TT, the premier motorcycle race of the day, and was successful; organizers of the race ,made, head protection mandatory the same year, and an immediate reduction in concussions followed.The first ever “,helmet,” immediately proved its worth. But civilians still balked at the idea of wearing one of the odd-looking shells ...
Metal ,helmets, are conductive, a ,safety, hazard as use of electricity became widespread, so a new ,helmet made, from a composite of cork and rubber was introduced in London and elsewhere from 1936. However, during World War II , military-style steel ,helmets, were adopted, similar to the Brodie ,helmet, used by the British Army , to improve protection during air raids.