Chat
Online
Inquiry
Home > what is itunes format

what is itunes format

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.

Why Choose Us
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.

Highly specialized team and products

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

We trade with an open mind

We abide by the privacy policy and human rights, follow the business order, do our utmost to provide you with a fair and secure trading environment, and look forward to your customers coming to cooperate with us, openly mind and trade with customers, promote common development, and work together for a win-win situation..

24 / 7 guaranteed service

The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems

Certificate of Honor
Get in touch with usCustomer satisfaction is our first goal!
Email us
— We will confidentially process your data and will not pass it on to a third party.
what is itunes format
The Effects of Welding Without a Hood on the Face or Eyes ...
The Effects of Welding Without a Hood on the Face or Eyes ...

UV radiation,, such as that seen in the sun’s ,rays,, is present in welding irons. Prolonged exposure to ,UV radiation can, cause skin cancer. Without a mask, this ,radiation, will seep into facial skin, increasing the chances of cancer on the face. The other form of ,radiation, that welding produces is infrared ,radiation,.

Does radiation cause eye damage? - WebMD
Does radiation cause eye damage? - WebMD

the sun's ,ultraviolet,, or ,uv,, ,rays can, burn your ,eyes,, just like they ,can, burn your skin. signs that you've been exposed to too much ,uv radiation, are red ,eyes,, light sensitivity, tearing, and a feelin

How UV rays may contribute to cataracts -- ScienceDaily
How UV rays may contribute to cataracts -- ScienceDaily

It's well known that exposure to ,ultraviolet, (,UV) light, from the sun ,can, cause skin damage. But many studies show that ,UV light can, also increase the risk of cataract and other ,eye, conditions.

Welding Safety FAQs - Personal Protective Equipment
Welding Safety FAQs - Personal Protective Equipment

Helmets, and Arc ,Rays, Q: What are the two forms of ,radiation, given off by the welding arc? A: The two types of ,radiation, are Infrared (IR) and ,Ultraviolet, (,UV,) ,radiation,. IR ,radiation can, cause retinal burning and cataracts. IR ,can, usually be felt as heat. ,UV radiation,, which cannot be felt, ,can, cause an ,eye, burn known as "Welder‘s Flash."

10 Best Welding Helmets (2020 Review) - OccupyTheFarm
10 Best Welding Helmets (2020 Review) - OccupyTheFarm

Finding the best welding ,helmet, is critical for your ,safety,. A welding ,helmet, is going to protect your ,eyes, from the ,UV rays, that come off of the arc. These ,UV rays can, cause a lot of issues if you’re not wearing a protective welding ,helmet,. There are many options available in the category of welding ,helmets,.

Infrared Light Effect on Eyes | Sciencing
Infrared Light Effect on Eyes | Sciencing

Infrared ,radiation,, also known as infrared light, is part of the electromagnetic spectrum invisible to the human ,eye,. It ,can, have a harmful ,effect, on the ,eyes,, but only in extremely rare cases.

What is the Long-Term Impact of UV Light on Eyes ...
What is the Long-Term Impact of UV Light on Eyes ...

Exposure to artificial ,UV, sources ,can, cause severe ,eye, damage. Temporary damage often heals within a couple of days. Permanent damage usually only occurs right away with severe exposure. Any exposure, however, adds to the cumulative impact ,of UV light, on ,eyes,. What ,Effect, Does ,UV Light, Have On ,Eyes,?

Best Welding Helmet You Can Buy in 2020 - Welding Insider
Best Welding Helmet You Can Buy in 2020 - Welding Insider

This is one of the most popular welding ,helmets, available. ,The Safety, BH3 is fitted with an auto-darkening lens that has a shade range of 9-13 and an EN379 rating of 1/1/1/1 for optical clarity, light diffusion, luminous transmittance variation, and angular dependence. This ,helmet, protects your ,eyes, from ,radiation, and ,ultraviolet, light.

Selecting the best lens for welders' eye protection
Selecting the best lens for welders' eye protection

Helmets, also ,can, reduce the need for wearing secondary ,safety, lenses under the shield. Although autodarkening lenses do not darken until an arc is struck, if the ,helmet, is ANSI-compliant, it will already block out ,UV, and IR ,rays, whether the ,helmet, is on or off. ,Helmets, that take a millisecond or less to change shades are recommended. 2

Effects of blue light: The eye damage potential | All ...
Effects of blue light: The eye damage potential | All ...

The higher degree of scattering of these ,rays, makes the cloudless sky look blue. 3. The ,eye, is not very good at blocking blue light. Anterior structures of the adult human ,eye, (the cornea and lens) are very effective at blocking ,UV rays, from reaching the light-sensitive retina at the back of the eyeball.