PARAGRAPH AND ESSAY WRITING Gold, a precious metal, is prized for two important characteristics. First of all, gold has a lustrous beauty that is resistant to corrosion. Therefore, it is suitable for jewelry, coins, and ornamental purposes. Gold never needs to be polished and will remain beautiful forever. For example, a Macedonian coin remains as untarnished today as the day it was minted twenty-three centuries ago. Another important characteristic of gold is its usefulness to industry and science. For many years, it has been used in hundreds of industrial applications. The most recent use of gold is in astronaut suits. Astronauts wear gold-plated heat shields for protection outside spaceships. In conclusion, gold is treasured not only for its beauty, but also for its utility.

The topic sentence: Topic : Gold Controlling idea : two important characteristics

Supporting sentences: First of all, For example, Another important The most recent use

The concluding sentence In conclusion,

Unity: Discuss only one main idea in one paragraph Coherence: Easy to read and understand

Topic sentence: a complete sentence contains both topic and controlling idea the most general statement in a paragraph not too specific or too general do not include too many unrelated ideas

Concluding sentence Signals the end of a paragraph. Summarize the main point of the paragraph. It gives a final comment on the topic

End of paragraph signals Finally, as a result, in conclusion, in summary, therefore, thus, indeed, in brief, In short, …

The Magic Slurry Water Slurry water can increase the strength of gypsum product in two ways. Firstly, the dihydrate particles in slurry water will act as extra nuclei besides the main nuclei in gypsum setting process. Secondly, the particles will fill the spaces among the crystals which can enhance the interlocking between them. Both conditions were tested by ultra sound examinations producing short waves in dense gypsum mass. In conclusion, slurry water will increase the amount of nuclei and raise the density of gypsum product which finally increases the gypsum strength.

Abstract Patients with little pain sensation at gingival in terms of percussion need x-ray test before and after the treatment. It is important to evaluate the specification of the pathologic condition that happened at tooth/jaw inspection. The study was taken from tooth 3.6 a woman of 19 years old. The periapical technique is used to perform radiographic imaging. There are circular small radiolucent at mesial root, and 3 cm in diameter radio-opaque mass that includes mesial root. After 6 months of radiographic treatment, it was shown that the size of radio-opaque mass had relatively the same size. In conclusion, the patients should be treated in order to release pain.

Stomatitis aphthousa is a common disease in oral cavity Deficiency of certain vitamins such as Vitamin B, folic acid, and Fe. Traumatic factors causing among others by tooth brush, bite, orthodontic appliances Hormonal disturbances Immunological system Stress

Stress may trigger Stomatitis aphthousa. The decrease of the volume of saliva The dry mouth Unsensitive tongue Irritation lesion

Tobacco is one factor that may cause oral cancer. Irritates the mouth because of its heat and substance. contains of 4000 toxic agents Influences oral flora environment

Plaque control is an important part of maintenance phases. Stomatitis aphthousa is a common disease in oral cavity Dental implants are one way to replace lost teeth that are increasingly popular at this time