Sunday, November 14, 2010

Baseball Clothing and Equipment

Bat
A rounded, solid wooden or hollow aluminum bat. Wooden bats are traditionally made from ash wood, though maple and bamboo is also sometimes used. Aluminum bats are not permitted in professional leagues, but are frequently used in amateur leagues. Composite bats are also available, essentially wooden bats with a metal rod inside. Bamboo bats are also becoming popular.
Ball
A cork sphere, tightly wound with layers of yarn or string and covered with a stitched leather coat.
Base
One of four corners of the infield which must be touched by a runner in order to score a run; more specifically, they are canvas bags (at first, second, and third base) and a rubber plate (at home).
Glove
Leather gloves worn by players in the field. Long fingers and a webbed "pocket" between the thumb and first finger allows the fielder to catch the ball more easily.
Catcher's mitt
Leather mitt are worn by catchers. It is much wider than a normal fielder's glove and the four fingers are connected. The mitt is also better-padded than the standard fielder's glove.
First baseman's mitt
Leather mitt worn by first basemen. It is longer and wider than a standard fielder's glove. The four fingers are connected and the glove is rounded like a catcher's mitt. A first baseman's mitt has a bit more padding than a standard fielder's glove
Batting gloves
Gloves often worn on one or both hands by the batter. They offer additional grip and eliminate some of the shock when making contact with the ball.
Batting helmet
Helmet worn by batter to protect the head and the ear facing the pitcher from the ball. Professional models have only one ear protector (left ear for right-handed batters, right ear for lefties), amateur and junior helmets usually have ear protectors on both sides, for better protection from loose balls, and to reduce costs to teams (all players can use the same style of helmet).
Baseball cap
Hat worn by all players. Designed to shade the eyes from the sun, this hat design has become popular with the general public.
Catcher's helmet
Protective helmet with face mask worn by the catcher. Newer styles feature a fully integrated helmet and mask, similar to a hockey goalie mask. More traditional versions were a separate mask worn over a helmet similar to a batting helmet, but with no ear protection and worn backwards.
Cup
Provides groin protection for males against impact. Must be worn by male catchers.
Jockstrap
An undergarmet worn by boys and men for support during sports. The jockstrap worn by the catcher has a pocket to hold a cup.
Pelvic protector
Provides groin protection for females against impact.
Uniform
Shirt and pants worn by all players, coaches and managers. Each team generally has a unique pattern of colors and designs. Traditionally, the home team's uniform is predominantly white with the team's nickname, and the visiting team's is predominantly gray with (usually, but not always) the team's city. Teams often have white, gray and colored jerseys; colored jerseys can be worn at home or on the road, depending on the team's preference.
Sliding shorts
Padded support shorts sometimes worn to protect the thighs when the player slides into the bases.
Sunglasses
Worn to shade the sun from the eyes.
Baseball Cleats
Baseball specific shoes worn by the player for better traction. The cleats themselves are either rubber or metal.




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.Squash Equipment and Accessories

Standard rackets are governed by the rules of the game. Traditionally they were made of laminated wood (typically ash), with a small strung area using natural gut strings. After a rule change in the mid-1980s, they are now almost always made of composite materials or metals (graphite, kevlar, titanium, boron) with synthetic strings. Modern rackets have maximum dimensions of 686 mm (27.0 in.) long and 215 mm (8.5 in.) wide, with a maximum strung area of 500 square centimetres (approx. 90 sq. in.), the permitted maximum mass is 255 grams (approx. 9 oz.), but most have a mass between 110 and 200 grams (4-7 oz.). Squash balls are 39.5 mm and 40.5 mm in diameter, and have a mass of 23 to 25 grams. They are made with two pieces of rubber compound, glued together to form a hollow sphere and buffed to a matte finish. Different balls are provided for varying temperature and atmospheric conditions and standards of play: more experienced players use slow balls that have less bounce than those used by less experienced players (slower balls tend to 'die' in court corners, rather than 'standing up' to allow easier shots). Given the game's vigorousness, players wear comfortable sports clothing and robust indoor (non-marking) sports shoes. In competition, men usually wear shorts and a t-shirt, tank top or a polo shirt. Women normally wear a skirt and a t-shirt or a tank top, or a sports dress. Towelling wrist and head bands may also be required in humid climates. Polycarbonate lens goggles are recommended, as players might be struck with a fast-swinging racket or the ball, that typically reaches speeds exceeding 200 km/h (125 mph). Many squash venues mandate the use of eye protection and some association rules require that all juniors and doubles players must wear eye protection.



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Major Forms of Pollution

The major forms of pollution are listed below along with the particular pollutants relevant to each of them:

* Air pollution, the release of chemicals and particulates into the atmosphere. Common gaseous air pollutants include carbon monoxide, sulfur dioxide, chlorofluorocarbons (CFCs) and nitrogen oxides produced by industry and motor vehicles. Photochemical ozone and smog are created as nitrogen oxides and hydrocarbons react to sunlight. Particulate matter, or fine dust is characterized by their micrometre size PM10 to PM2.5.

* Light pollution, includes light trespass, over-illumination and astronomical interference.
* Littering
* Noise pollution, which encompasses roadway noise, aircraft noise, industrial noise as well as high-intensity sonar.
* Soil contamination occurs when chemicals are released by spill or underground leakage. Among the most significant soil contaminants are hydrocarbons, heavy metals, MTBE,[10] herbicides, pesticides and chlorinated hydrocarbons.
* Radioactive contamination, resulting from 20th century activities in atomic physics, such as nuclear power generation and nuclear weapons research, manufacture and deployment. (See alpha emitters and actinides in the environment.)
* Thermal pollution, is a temperature change in natural water bodies caused by human influence, such as use of water as coolant in a power plant.
* Visual pollution, which can refer to the presence of overhead power lines, motorway billboards, scarred landforms (as from strip mining), open storage of trash or municipal solid waste.
* Water pollution, by the release of waste products and contaminants into surface runoff into river drainage systems, leaching into groundwater, liquid spills, wastewater discharges, eutrophication and littering.



Salt Lake Remodeling

Difference of a Mountain Bike from other Bikes

Mountain bikes differ from other bikes primarily in that they incorporate features aimed at increasing durability and improving performance in rough terrain. Most modern mountain bikes have front fork or dual suspension, 26 inch and also 29 or 27.5(650b) inch diameter tires, usually from 1.7 to 2.5 inches in width, and a wider, flat or upwardly-rising handlebar that allows a more upright riding position. They have a smaller, reinforced frame, usually made of wide tubing. Tires usually have a pronounced lugged tread, and mounted on rims which are stronger than those used on most non-mountain bicycles.Mountain bikes also tend to more frequently use disc brakes and indexed gears. They also tend to have a lower gears to facilitate climbing steep hills and traversing obstacles. Generally speaking, enhanced durability and off-road capabilities also result in a heavier bicycle weight to rider ratio than road touring bicycles.




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Bird Watching Tips


1.You need a field guide for your area. A field guide is a book with pictures of the birds and tips for identifying them.
2.You need a binocular to see the birds. You will soon discover an ironic fact. The best birders have the best binoculars - even though they can identify a bird 100 yards away by its silhouette. Newcomers with a cheap binocular see a fuzzy ball of feathers and don't have a clue which bird it is.
3.You need to know what to expect in your area. The giant woodpecker you saw in the woods was a Pileated Woodpecker, not an Ivory-billed Woodpecker. Checklists of birds in your area will tell you this. Many State and National parks near you have Checklists of the birds seen in the park.
4.You need to be able to find the birds. To do this, you should learn about the habitat each species of bird prefers. Do they like to spend their time at the top of a tree or on the ground or on a lake?
5.Join a group of other birders. Birders are very friendly and helpful. They are always willing to share their knowledge. We were all beginners once.
6.Try a birding trip or tour. Local bird trips are sometimes advertised in the newspapers. These are often led by park rangers or a local Audubon member.
7.Read about birds. There are many good magazines about birds and birding.
8.Bring the birds to you. You can attract birds to your yard with just a little work. Planting the right flowers will attract hummingbirds. Sunflower seeds will bring lots of new birds to your house.
9.Record your bird sightings. You might want to keep a "diary" or list of the birds you see in your yard. You can also keep a list of birds you see in your town or on your vacation.
10.HAVE FUN. ASK LOTS OF QUESTIONS. BE KIND TO BIRDS.


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Basic Form of Golf

In match play, two players (or two teams) play each hole as a separate contest against each other. The party with the lower score wins that hole, or if the scores of both players or teams are equal the hole is "halved" (tied). The game is won by the party that wins more holes than the other. In the case that one team or player has taken a lead that cannot be overcome in the number of holes remaining to be played, the match is deemed to be won by the party in the lead, and the remainder of the holes are not played.

In stroke play, the score achieved for each and every hole of the round or tournament is added to produce the total score, and the player with the lowest score wins. (Stroke play is the game most commonly played by professional golfers.) If there is a tie after the regulation number of holes in a professional tournament, a playoff takes place between all tied players. Playoffs are either sudden death or employ a predetermined number of holes, anywhere from three to a full eighteen. In sudden death, a player who scores lower on a hole than all of his opponents wins the match. If at least two players remain tied after such a playoff using a predetermined number of holes, then play continues in sudden death format, where the first player to win a hole wins the tournament.


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Trim:An Essential Aspect of Sailing


An important aspect of sailing is keeping the boat in "trim".

    * Course made good - The turning or steering of the boat vessel using the wheel or tiller to the desired course or buoy. See different points of sail. This may be a definite bearing (e.g. steer 270 degrees), or towards a landmark, or at a desired angle to the apparent wind direction.
    * Trim - This is the fore and aft balance of the boat. The aim is to adjust the movable ballast (the crew!) forwards or backwards to achieve an 'even keel'. On an upwind course in a small boat, the crew typically sit forward to reduce drag. When 'running', it is more efficient for the crew to sit to the rear of the boat. The position of the crew matters less as the size (and weight) of the boat increases.
    * Balance - This is the port and starboard balance. The aim, once again, is to adjust weight 'windward' or 'leeward' to prevent excessive heeling. The boat moves at a faster velocity if it is flat to the water.
    * Sail trim - Trimming sails is a large topic. Simply put, however, a sail should be pulled in until it fills with wind, but no further than the point where the front edge of the sail (the luff) is exactly in line with the wind. Let it out until it starts to flap, and then pull it in until it stops.
    * Centerboard (Daggerboard) - If a movable centerboard is fitted, then it should be lowered when sailing "close to the wind" but can be raised up on downwind courses to reduce drag. The centerboard prevents lateral motion and allows the boat to sail upwind. A boat with no centerboard will instead have a permanent keel, some other form of underwater foil, or even the hull itself which serves the same purpose. On a close haul the daggerboard should be fully down, and while running, over half way up.

Together, these points are known as 'The Five Essentials' and constitute the central aspects of sailing.
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