Group these phrases under the following headings:

a) Cement Production

b) Glass Production

to roast in; large-scale construction; ordinary glass; to move through the kiln; building material; bath-shaped furnace; definite portions; cylindrical rotary kilns; to ignite at a temperature; a mixture of substances; cooling semiliquid mass; to press; the molten mass.

 William Henry Gates, also known as «Bill», has established himself as the richest man in the world.
   He is the youngest self made billionaire, and perhaps the best businessman in the world. Bill Gates is important because he did not only change the computer technology in America, but also created the biggest, strongest, richest and the most powerful company in the world.
   Bill was born on October 28, 1955, his parents, Mary and Bill, had one other daughter Kristi.
   Gates began his career in PC software, programming computers at age 13.
   As to his education, he attended a well-known private school in Seattle, Washington called Lakeside. At Lakeside, he met his future business partner Paul Allen. Bill Gates entered Harvard in 1973.
   He created the programming language BASIC. Gates attended Harvard University and after a few years Gates and his business collaborator, Paul Allen, dropped ou t of Harvard to begin the Microsoft Corporation in 1975.
   Throughout his life, Gates had many experiences with business. Allen and Gates started a small company called Traf-O-Data. They sold a small computer outfitted with their program that could count traffic for the city.
   Gates also worked at a programming company called 'TRW. After all his minor jobs, Gates and Allen founded Microsoft in 1975, the largest computer based company in the world. Gates is the Chief Executive officer and Paul Allen is VP. They are both very wealthy due to this business.
   Gates believes that if you are intelligent and know how to apply your intelligence you can accomplish anything.
   Bill works very hard to carry out his vision. His belief in high intelligence and hard work is what put him where he is today, as well as being in the right place at the right time. He doesn't believe in luck or any sort of god, just hard work and competitiveness.
   «Trey» as he is called at home is a remarkable man who has been able to go into the world spotlight as a genius at what he does. His welfare until today is worth about 92,000,000,000 dollars.

One morning I felt a very strong toothache. It was so strong that I couldn't go to school. Mom called the hospital. She arranged my visit to a dentist. I have never been to a dentist before and that's why I was very afraid. I went to the hospital and couldn't enter the doctor's office. But then I realized that I needed to treat my tooth. In the office there were two large armchairs and two doctors. I was given an injection and in a few minutes I felt no pain. The doctor treated my tooth, but I didn't feel any pain. The next day I didn't have a toothache, so I went to school.
Однажды утром я почувствовал очень сильную зубную боль. Зуб болел так сильно, что я не смог пойти в школу. Мама позвонила в больницу. Она договорилась о моём визите к дантисту. Я никогда не был у зубного врача раньше и очень боялся. Я пришел в больницу и долго не решался войти в кабинет врача. Но потом понял, что мне необходимо вылечить зуб. В кабинете стояло два больших кресла и было два врача. Мне поставили укол и через несколько минут я уже не чувствовал боли. Доктор долго лечил меня, но мне не было больно. На следующий день я не чувствовал зубной боли и пошел в школу.