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The plans illustrate the cement production and materials and equipment that are needed
to produce, and the concrete production and equipment.
The procedure of cement is more complicated than that of the concrete one and it
is needed four steps. However, the way of producing concrete is simple. It is
required of only four equipment (저 네 개는 equipment 라고 볼 수는 없습니다.) and just one step.
First of all, some powder which is the result of crushed with limestone
and clay through the crusher is needed. In the second step, the powder is will be
well mixed in the mixer. And (가급적이면 and but so 로 문장을 시작하지 말아주세요~) then, the mixed powder gets (무당벌레님 정도면 이것보다는 나은 표현을 찾으실 수 있을 겁니다.) a certain amount of
heating in the rotating heater. Lastly, the heated mixer is expected to grind
well through the grinder, and the result becomes cement which will be packed in
a bag as a completed product. (요기도 시제를 수정해주세요~)
To produce concrete, the completed cement plays one role. With the 15%
of cement, half of the gravel which is small stones, a quarter of sand and 10%
of the water (여기도 수정이 필요합니다. 저 숫자들은 전체를 100으로 놓고 각각의 비중을 얘기하게 되는데, 현재 문장의 경우 전체 시멘트 중 15%의 시멘트 등의 의미로 작성되었기 때문이죠. [의미가 들어맞으려면, 전체 재료 중 시멘트가 15%를 차지한다~가 되어야 합니다.) should be mixed well in the concrete mixer.
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