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New in 1816, Karl von Drais of Germany perfected it by making the steering wheel can be rotated to the left and to the right. So the bike does not have to stop first if you want to turn. Creation called draisine, and Von Drais regarded as "the father of bicycles" are not ridiculed.

In 1855, Pierre Michaux of Paris refine them further by installing pedals and crank on the front wheels. So people do not need her footing on the ground again. Completion of the sale as a "velocipede". Velocipede with front wheel drive it encourages the creation of other variations. Enlarged front wheel so that the foot pedal that moves the better, because the crank is made longer than that of the small wheels. Created the popular high wheel in 1880. But while it was in the year, 1879 Bate of England Croydon can also make the bike faster way because the pedals and rear wheels equipped with rope pulleys that run, so that the driving force is used unnecessarily large as on the high wheels. Due to the rapid Croydon bike advertised as the Flying Dutchman, though the flight is only 10 miles per hour.

In the same year HJ. Lawson created a bicyclette (two small wheels). Compared with the high wheels, small wheels the same bike, it could be safe to use, does not often drop people to harm. Bicyclette offered as bicycle safety. But because of cursing and chain pulleys are toothed as mobility aids, bicyclette bike was mocked as a crocodile. Pulinya teeth did not bite if pinched feet.

New in 1885, J.K. Starley of the Netherlands succeeded in presenting the results of perfecting the chain with a toothed pulley, but did not bite because the pedal was moved between the wheels under the saddle. Given lager wheel axles and bike sold as Rover, because it is guaranteed to wander further afield. This is recognized as a pioneer of the modern bicycle. Dutch big wheeled bike, 70 cm in diameter so that the saddle. Understandably the Dutch consumer bike "Fiets" is his height. People who are short should happen to fall, when he rode the bike Fiets stop. Wheel is also made higher than the saddle, so riders can still sit up straight. No slouch just as a racing bike riders.

Accesories

Like a modern car, bicycle ancient times also comes with an assortment of accessories, such as the brakes to reduce speed, the standard holder that will not tip if the bike is parked and lights for the night. Not forgetting the bell or trumpet blown by the wind from the kneaded rubber ball. Such trumpet now only found on bicycle carts baker.

Around 1940 more sophisticated variation of the bicycle accessories. There taillights, turn signal lamps, luggage rack and basket  place. But there also gives the chain cover (so as not to bite) and fender, mud deterrent not to squirt to the back. The bike was actually given household protector rear wheels, to prevent it from the child's foot lift  into wheel spokes are lifted

In pairs

In the pre-war era Dutch Japanese first, our highways dominated  by high bicycle was made in the Netherlands. Fongers brand, Gazelle and many Batavus  used by the district and the students. Only the wealthy merchants who use Raleigh bike made in England. Raleigh bike models still have sex. If men have a crossbar framework that ran at the top between the two wheels. If female, the upper beam is not there, but it is curved in the subordinate. Bicycles made women, because the women who wear long skirts or cloth may not ride a bike man. Modern era bike then only unisexual, all male. But women can only ride this bike home wearing trousers. New in 1970, the construction of a sports bike appear slimmer with smaller wheels, diameter 60 cm. Iron pipe bolt it down so it is parallel with the pipe under the framework going forward. This bike is virtually unisex. Men are not ashamed to drive it because it's not a bike bicycle women. Women also do not get yelled at if you ride a bike because the bike was not a man.

Around 1970, there was a mini bike wheels smaller than the bicycle wheel sport. Only 40cm in diameter. The bike bicycle into Indonesia as children, but adults too worn. Especially domestic workers who were sent to the shop to buy cigarettes. Author among other reasons that children can rider her footing on the ground when stopped. For adult use that extended up the saddle height is still fairly reasonable. This bike is a modified form of frivolous but half the riders were happy to just see it as so funny when swirling  pedal more often, because the shorter crank. He reminds us of a circus clown.

Sport with gears

Only then found a way of making aluminum alloy and aluminum titanium iron circa 1980, made sport bike that does not need to lean like a bike unisex. Pipe skeleton made great again, but still lighter than the old steel bike. At this swollen sport bike accessories various discarded, including fender. It is estimated there will be no mud splattering, because the bare bike is only used for sports when the weather is nice. To exercise in the open the way up the mountain down the valley made MTB, mountainbike. Wheel mounted the same height as the saddle so that the rider should sit a little duck. It is said that the attitude of this bending is more aerodynamic rider drove the smallest wind resistance. MTB gear given to further alleviate swirling Then again uphill rider can move the gear to a large gear, which makes swirling    lighter. Later when running flat again persnelling be moved back to a normal tooth. Giving gears on this bike is already happening on a bicycle in 1900, but as we know the new bike in Indonesia imported about 1930, among other bike brand Raleigh of England. After World War II, the more sophisticated gear bike as it is now. Later, as more and more people who want to cruise the city by bike on the plantation, but that is not the mountains, produced touring bike. Some of which can be folded to serve the purposes of a tour of the plantation that far. The bike folds wearer transporting the baggage car and arrive at fresh opened again to be boosted. After completion of foldable bikes used again to be transported back to the city.

American youth are not satisfied with the MTB is less flexible then produced another bike equipped tracking per-per shock absorbers in order to ride a bike rider durable. Of tracking variations bike models are made more insane form of BMX (bike moto-cross) to explore the rough streets of the country area. Obviously construction is more solid and not easily fall out if bumped or stone cross often fall turn roll over slippery roads. To work in such a smooth flat road in city parks, or roads that are closed to the general protocol, produced  ATB (all terrain bike) which is a compromise between MTB and city bike. Both MTB and ATB made more elongated frame. The distance between the steering wheel and the saddle far enough (about 70cm) so that passengers must sit bent. This is different from city bike saddle, about 50 cm. Rider sits more upright, not hunched over short distances need it. The bike is not a sport or race bike, but the tool transportation in the city. Usually used by executives who get bored in a car, while the distance places just close his departure. To be saved, city bike riders are encouraged to wear safety helmets.

Bike racing

As early as 1868 there was a need to create a racing bike. When the ceremony was held for the first time cycling in Parc de St. Cloud, Paris. But just after World War II, racing bike was developed more rapidly again. Bike should be lighter and leaner at the same time make it more aerodynamic. Wheel rim is made narrower. So the barriers and road friction can be reduced a lot. Of the author always been iron, then aluminum titanium and carbon later, to pursue waivers. The most advanced materials used for a variety of advantages. In order for a racing bike and rider comfortable, curved handlebars made more downward as if riders want to dive because so bending . Wuss .... Congratulations cycling.

Clothing bleaching technique is already known by the ancient Egyptians before Pharaoh era. It was  hundreds of years before Christ, until about the year 1700, the bleaching done by the Egyptians. Namely by holding a cloth on the grass. Clothes they used a sheer fabric, which is not cut according to the pattern of fashion clothes. With the help of the sun's heat, the fabric on the grass, it can be pale white. This could be an old white-white, white and white were young dependent state. Sunlight can bleach fabrics we can prove that we hang colored clothing. Eventually this outfit so dull color. That's why we buy apparel from garment factories were given instructions, but do not be left in the sun dried in the shade of the roof alone. The ancient Egyptians also believed, bring in the deployment of solar thermal underwear reinforcing fibers to be durable. Confidence that makes sense if we remember that the cause of the clothing is not prolong  bacterial decay that undermines the cotton fibers from the cloth. With a degree in the hot sun in the spoilage bacteria was annihilated. Cleaning cloth while freeing germs in modern times was also performed by drying, but the crackdown bacteria carried by chemical drugs.

In 1700, the cloth weavers in the Netherlands found that Potassium Hydroxide it can also whiten fabrics. Even faster than the sun. Cloth dipped several times in a solution of potassium hydroxide, and then immersed in liquid milk leftover butter making. After the fabric is rinsed in water and held that white sunlight. Whitening cloth in this way is called Holland cloth. Why did they bother to whiten fabrics? Not because it would be shades of fabric and colorful images. Raw materials must white clean, so the results are not dull coloring. Bleaching process is not done then the grass field again, but in a textile mill room, before the material into cloth. Candidates fiber woven fabric bleached with bleach wasted that can vary its kind. Usually Sodium Hypochlorite, for cotton and flax. Material soaked in a solution of Sodium Hypochlorite substance for 2-20 hours, then rinsed with a solution of dilute sulfuric acid before drying. This solution prevents not to bleach it works so outrageous attack fiber cloth.

Wool and silk Hidrigenperokside bleached with a solution. This substance is releasing oxygen bleach, but not to attack the course material but their droppings. Wool handling sometimes also used sulphurous acid. The sour brimstone after joining of wool dyes to form a new compound that is colorless. If soapy water and then rinsed soft (containing potassium soap), then the material is left in the original color. More brilliantly again because it is free of dirt.

Later, bleaching agents are more practical use in the form of powdered calcium oxychloride. Substances such as calcium oxychloride complex arrangement of parts were not steady, consisting of Ca (OCl) 2 and CaCl mixed CaOH2. But sometimes simplified as CaCl CIO.

4H2O, a very unstable substance is a white powder smell of chlorine. In the water he was quickly shattered, releasing chlorine that is destroyer of germs. Because the substance that makes pale any goods, ranging from cloth to marble floors and porcelain tile, it is a powder that he circulated as bleaching powder. But often also referred to as bleach alone. While whitening ingredient, bleach also destroy germs the clhor loose with it. Chlorine is toxic to bacteria.

Ability as disinfectant then used to disinfect towels, pillow cases and sheets are due to the width and thickness of the surface is not entirely washed carefully. Also the floor where the children play, the bathroom floor, kitchen floor or other parts of the house that needs cleaning as it can be disinfected.

Calcium oxychloride can not be used for wool fabric, silk or fur coat color is not because the material is colored, but the original is colored so that the color does not fade. For domestic purposes is usually used Natriumperborat tetrahydrate. This stout substances used in household detergents and cleaning companies. Being able to release oxygen, he served as an oxidizing bacteria were crushed. Unfortunately only moderate efficacy.

Whiten substance to another household is diklorodimetilhidantoin (DDH) in the form of a white powder which is a bit of chlorine. When dissolved in water, it releases Hipochlor acid, HOCl little by little. Acid is a potent bleach textiles and fibers as well as an antiseptic.

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For a house dog extra food between meals is fixed, is considered unhealthy. So belly gets stuffed by the food eaten by the employer. As a result, dogs can be overweight or even sick. Yet it is often overlooked by the employer. Give your pet before you yourself are still sitting at the dinner table. Also do not give your dog leftovers. If you do that, consequently, there must be the result. If the dog still persisted, presenting pieces of onion or orange before the nose. Gradually, the dog will eventually keep distance   as far as we had hoped.

Alexander Knies  just finished moving clothes to the new cabinet last night.  It turns out that his head after he was sick and nauseous. The next day his head dizzy. According to the results of the examination the doctor, Alexander allergic to synthetic plitur new furniture. Not against synthetic plitur he allergy, his mother Mrs. Brigitte Knies remember that several  weeks after a swim Alexander always looks tired and went to bed. He looked haggard and no appetite. His body was also often itching by clothing and even after shaving. According to the doctor, Alexander allergic to dust and small creatures.

Alexander is not alone. In Germany alone two and a half million children the same boat. "At last ten years diagnose allergies are getting better," said Dr. Fees Rainer, an allergist at Children's Hospital Soehospiz Norderney. "Unfortunately to date there is still presumed allergy stomach or intestinal infection, even pseudokrupp."

Allergies can be:

- Colds

- Asthma

- Neurodermis (whole body or part of fold itching)

- Migraine, circulatory disorders, diarrhea and nausea

In children is difficult to know what is causing substances they are allergic. Small children especially allergies to foods such as milk, eggs, soybeans, pork, wheat, fish, nuts and oranges.

Usually the doctor will ask the symptoms, whether the child's skin itch after eating certain foods. If still not clear, the child was forced to undergo a diet to find the cause of allergy.

At first the child may drink water only, then eat food little by little, until ultimately the cause he caught food allergies. If the cause of the allergy is discovered, just replace the substances that cause allergies to other substances. For example, cow's milk is replaced with soy milk, substituted pork beef, citrus fruits replaced with others. However, children often do not want to understand. While their school break bread with friends or exchange buying  favorite food in the cafeteria.

Not only children, parents also sometimes less consistent. Dr.. Sybille Scheewe, nutritionist tells the story of a mother whose son is forbidden to drink milk. The mother gave her milk if the child whining.

If the mother is allergic, Dr. Sheewe advise as follows:

When her allergies, she advises: