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.
Internal dimension of safety helmet shell
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
25/6/2018, · A tropical cyclone is a rotating low-pressure weather system that has organized thunderstorms but no fronts (a boundary separating two air masses of different densities). Tropical cyclones with maximum sustained surface winds of less than 39 miles per hour (mph) are called tropical depressions. Those with maximum sustained winds of 39 mph or higher are called tropical storms.
Hurricanes, form in the Atlantic of the west coast of Africa while typhoons most frequently form off the east coast of Asia. However, the generic scientific term for these storms is a tropical cyclone. You don't have to be a meteorologist to know that ,hurricanes, can ,cause, a lot of damage, but ,what causes hurricanes,?
The rotation of a ,hurricane, is a product of the Coriolis force, a natural phenomenon that ,causes, fluids and free-moving objects to veer to the right of their destination in the Northern Hemisphere and to the left in the Southern Hemisphere.
2/4/2020, · ,Hurricanes cause, severe damage to man-made structures and the natural environment, and they can uproot trees, destroy walls, upturn vehicles, erode beaches and ,cause, inland flooding. Very strong ,hurricanes, can devastate houses, reduce water …
Causes, of ,Hurricanes,. The key ingredients to the formation of tropical cyclones are warm water, upper-level winds, and moist warm air. ,Hurricanes, are initiated when the warm, moist air from the surface of oceans begins to rise rapidly and collide with the mass of cooler air.
Damaging Effects of ,Hurricanes,. When a ,hurricane, reaches land, it ,causes, damages that can be catastrophic and results in a storm surge that can rise to 20 feet and extend for about 100 miles. In fact, storm surges result in 90% of the deaths caused by ,hurricanes,. The winds not only ,cause, massive damage but can also spawn tornadoes.