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Certificate of Shuangli safety helmet

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.

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Solutions to meet different needs

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.

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Professional team work and production line which can make nice quality in short time.

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Certificate of Shuangli safety helmet
15 Genius New Inventions That Make the World a Better ...
15 Genius New Inventions That Make the World a Better ...

Each of these 15 brilliant new ,inventions, answers a different human need - such as clean water or sanitation - or an environmental necessity. To make them, gifted designers identified an important issue, came up with an innovative solution - and then put the wheels in motion to create some truly inspirational ,inventions,.

Biography of Garrett Morgan Inventor of the Gas Mask
Biography of Garrett Morgan Inventor of the Gas Mask

25/11/2019, · The ,Safety, Hood (Early Gas Mask) In 1914, Morgan was awarded two patents for ,the invention, of an early gas mask, the ,Safety, Hood and Smoke Protector. He manufactured the mask and sold it nationally and internationally through the National ,Safety, Device Company, or Nadsco, using a marketing strategy to avoid Jim Crow discrimination—what historian Lisa Cook calls "anonymity by …

How This New Football Helmet Is Designed To Protect The Brain
How This New Football Helmet Is Designed To Protect The Brain

3/9/2018, · The new design is off to a good start. The ZERO1 football ,helmet, made the Time's list of 25 Best ,Inventions, of 2017 and earned the top spot in the NFL's and NFL Player Association 2017 and 2018 ...

What a Space Suit Does - Spacesuit Capabilities ...
What a Space Suit Does - Spacesuit Capabilities ...

Most space suits operate at pressures below normal atmospheric pressure (14.7 lb/in 2, or 1 atm); the space shuttle cabin also operates at normal atmospheric pressure.The space suit used by shuttle astronauts operates at 4.3 lb/in 2, or 0.29 atm.Therefore, the cabin pressure of either the shuttle itself or an airlock must be reduced before an astronaut gets suited up for a spacewalk.

Helmet Design Evolution
Helmet Design Evolution

Helmet Safety, Design. The primary focus when designing a motorcycle ,helmet, is to protect the motorcyclists head in the case of an impact. Typically, ,helmet safety, designs implement the use of fiberglass reinforced with Kevlar or carbon fiber, however they can also be found in plastic.

WW1: Combat helmet technology - the Brodie steel helmet ...
WW1: Combat helmet technology - the Brodie steel helmet ...

16/6/2014, · An iconic symbol of war, the Brodie was the first combat ,helmet, to be specifically designed and engineered for Western Front battlefield conditions – and its legacy extends to the composite material military hard hats worn by today's fighting forces.

7 fundamental facts About Helmets that you should know
7 fundamental facts About Helmets that you should know

Open face ,helmet does, not protect the face. And, open low full face ,helmet, can be raised or dropped as per need. The fourth, shorts ,helmet, only gives little support to the head, and hence it is not recommended for ,safety,. 3 ,Helmet,’s of polystyrene saves head. To reduce the burden of the rider’s head, the metal is no longer used in the ,helmet,.

Lawrence of Arabia and the crash helmet - BBC News
Lawrence of Arabia and the crash helmet - BBC News

The contrast with ,modern, figures is a stark one. In 2013, 331 bikers - roughly 28 a month - died on British roads, despite the huge rise in traffic volume. Cairns was careful not to claim that ...

The History of Personal Protective Equipment | UniversalClass
The History of Personal Protective Equipment | UniversalClass

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 …

WW1: Combat helmet technology - the Brodie steel helmet ...
WW1: Combat helmet technology - the Brodie steel helmet ...

16/6/2014, · An iconic symbol of war, the Brodie was the first combat ,helmet, to be specifically designed and engineered for Western Front battlefield conditions – and its legacy extends to the composite material military hard hats worn by today's fighting forces.

Combat helmet - Wikipedia
Combat helmet - Wikipedia

There have been two main types of covers—mesh nets were earlier widely used, but most ,modern, combat ,helmets, use camouflage cloth covers instead. By the late 20th century, starting in the 1970s and 1980s, new materials such as Kevlar and Twaron began replacing steel as the primary material for combat ,helmets,, in an effort to improve weight, ballistics protection, and protection against head ...

Combat helmet - Wikipedia
Combat helmet - Wikipedia

There have been two main types of covers—mesh nets were earlier widely used, but most ,modern, combat ,helmets, use camouflage cloth covers instead. By the late 20th century, starting in the 1970s and 1980s, new materials such as Kevlar and Twaron began replacing steel as the primary material for combat ,helmets,, in an effort to improve weight, ballistics protection, and protection against head ...

Brodie helmet - Wikipedia
Brodie helmet - Wikipedia

The Brodie ,helmet, is a steel combat ,helmet, designed and patented in London in 1915 by John Leopold Brodie. A modified form of it became the ,Helmet,, Steel, Mark I in Britain and the M1917 ,Helmet, in the U.S. Colloquially, it was called the shrapnel ,helmet,, battle bowler, Tommy ,helmet,, tin hat, and in the United States the doughboy ,helmet,.It was also known as the dishpan hat, tin pan hat ...

An Overview of the Motorcycle's History
An Overview of the Motorcycle's History

8/10/2019, · American Sylvester Howard Roper (1823-1896) ,invented, a two-cylinder, steam-powered velocipede in 1867. A velocipede is an early form of a bicycle in which the pedals are attached to the front wheel. Roper's ,invention, can be considered the first motorcycle if you allow your definition of a motorcycle to include a coal-fired steam engine.

Home of Innovation SAFETY HELMETS
Home of Innovation SAFETY HELMETS

the progress ,modern, vehicles displayed over the last 10 years, ,safety helmets, are on the technical level of a car from the sixties. No ,safety, belts, no airbags and no crumple zone to absorb as much impact energy as possible for better protection of the passengers. We at ENHA designed a new ,helmet, and took the efforts ,of modern, car