Woodworking Face Shield

Goggles or safety glasses are forms of protective eyewear that usually enclose or protect the eye area in order to prevent particulates, water or chemicals from striking the eyes. They are used in chemistry laboratories and in woodworking. They are often used in snow sports as well, and in swimming. Goggles are often worn when using power tools such as drills or chainsaws to prevent flying particles from damaging the eyes. Many types of goggles are available as prescription goggles for those with vision problems.

<a href=”http://www.himfr.com/buy-tracksuit_tops/”>tracksuit tops</a>The Eskimos carved goggles from caribou antler, as well as wood and shell, to help prevent snow blindness. The goggles were curved to fit the user’s face and had a large groove cut in the back to allow for the nose. A long thin slit was cut through the goggles to allow in a small amount of light, diminishing subsequent ultraviolet rays. The goggles were held to the head by a cord made of caribou sinew.

The requirements for goggles varies depending on the use. Some examples:

Cold weather: Most modern cold-weather goggles have two layers of lens to prevent the interior from becoming “foggy”. With only a single lens, the interior water vapor condenses onto the lens because the lens is colder than the vapor, although anti-fog agents can be used. The reasoning behind dual layer lens is that the inner lens will be warm while the outer lens will be cold. As long as the temperature of the inner lens is close to that of the interior water vapor, the vapor should not condense. However, if water vapor gets between the layers of the lens, condensation can occur between the lenses and is almost impossible to get rid of; thus, properly constructed and maintained dual-layer lenses should be air-tight to prevent water vapor from getting in between the lenses.

Swimming: Must be watertight to prevent water, such as salt water when swimming in the ocean, or chlorinated water when swimming in a pool, from irritating the eyes or blurring vision. Allows swimmers to see clearly underwater. They will not be usable more than a few feet underwater, because the water pressure will press them tightly against the face. Examples of these include the Swedish goggles.

Power tools: Must be made of an unbreakable material that prevents chunks of metal, wood, plastic, concrete, and so on from hitting or piercing the eye. Usually has some sort of ventilation to prevent sweat from building up inside the goggles and fogging the surface.

Blowtorch goggles: These protect the eyes from glare and flying sparks and hot metal splashes while using or near as blowtorch. They are not dark enough for arc welding.

Motorcycle riding and other open-air activities: Prevents insects, dust, and so on from hitting the eyes.

Laboratory and research: Combines impact resistance with side shields to prevent chemical splashes reaching the eyes. May also include laser protection which would be covered by EN 207 (Europe) and ANSI Z 136 (United States). Examples of these include red adaptation goggles.

Racquetball: Protect the eyes from racquets swinging in an enclosed area and from impact from hard rubber ball.

Winter sports: Protect the eyes from glare and from icy particles flying up from the ground.

Astronomy and meteorology: dark adaptor goggles are used before going outside at night, in order to help the eyes adapt to the dark.

Basketball: Several NBA players have worn goggles during play, including Kareem Abdul-Jabbar, James Worthy, Horace Grant, Kurt Rambis and Amare Stoudemire; they prevent a fellow player from scratching or hitting the eyes when trying to grab the basketball.

Aviation: In open cockpit aircraft, similar to biplanes, aviators, such as Amelia Earhart and Charles Kingsford Smith, would wear goggles to help protect from the wind and are still in use today. Examples of these include the AN-6530 goggles.

Virtual reality: A virtual reality headset, sometimes called “goggles”, is a wrap-around visual interface to display computer output. Commonly the computer display information is presented as a three-dimensional representation of real-world environments.

Goggles are often worn as a fashion statement in certain subcultures, most often as part of the cybergoth subculture. They are usually worn over the eyes or up on the forehead to secure ‘falls’: a type of long, often brightly-coloured, synthetic hairpiece. Fans of the Steampunk genre or subculture also frequently wear steampunk-styled goggles, particularly when performing in a live action role-playing game.

Goggles are also frequently used by anime and manga characters as a fashion statement. Several characters in the anime Digimon wear goggles, as each ‘leader’ of the series wears goggles. Other notable characters are Matt from Death Note and Usopp from One Piece.

Goggles are part of a meme stemming from a quote from the Radioactive Man episode of The Simpsons where Rainier Wolfcastle is faced with a tidal wave of sulfuric acid while filming a movie, his only provided safety precaution a pair of rubber safety goggles intended to deflect small amounts of acid. When the scene goes horribly wrong, he is swept away, his suit and prop goggles dissolving, spurring him to yell, “My eyes! The goggles do nothing!”

Goggles are available for horses used in speed sports such as horse racing.[2] In some traditions of horse mounted bullfighting, the horse may wear a protective cloth over its eyes.

Goggles adapted for use by dogs are marketed under the trademark Doggles by California-based Doggles, LLC. Unlike other eye protection marketed for dogs, Doggles are designed to protect from wind and foreign objects in addition to UV light.[

About the Author:

Himfr is a scholar, focusing his research on Chinese cultures. If you are interested in purchasing China goods, please visit www.himfr.com

Article Source: ArticlesBase.com – Goggles

The modular motorcycle helmet is one step ahead of the traditional full face motorcycle helmet. Motorcyclists now enjoy the same features as the regular motorcycle helmet, plus the added features that the modular motorcycle helmet has to offer. This article will focus on the features of the modular motorcycle helmet and the benefits they provide to motorcyclists around the world.

The modular motorcycle helmet shell and interior liner and padding are made of the same materials as the traditional full face helmet. The shell encompasses the entire head and provides maximum protection from wind and debris, as well as protection in the event of an accident or fall. The face shield protects the eyes from wind and debris and helps to keep the motorcyclist awake and more alert.

Unlike the traditional full face motorcycle helmet, at the touch of a button the chin and face shield portions of the modular motorcycle helmet flip up to give the helmet the look and feel of a three quarter motorcycle helmet. This allows for more ventilation to the rider’s face and head. When riders are in warmer temperatures, they have the ability to ride with the chin and face shield in the upright position in order to get the most air flow to their face and head. Once the rider is in cooler temperatures, or if there is an added need to protect their face from debris, the chin and face shield can be locked in the down position to cover the face and neck.

The modular motorcycle helmets are a little more costly because of the added functionality, but because you are essentially getting multiple helmets in one, it is well worth the extra expense. If you’re looking for a helmet that provides the protection of the full face motorcycle helmet, and the ventilation capabilities of the three quarter motorcycle helmet, then you’ll want to consider purchasing a modular motorcycle helmet.

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