The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace. The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron.
According to Wikipedia.com
As a slave ship captain, John Newton would read passages from the bible and often used it as a basis to do punishment to the slaves.But over period of time, John Newton <span>realized the devastating effects on Africans and started to take a stand against it. He began to spread a lot of anti-slavery pamphlets in his hometown in his fight to abolish it</span>
Answer:
To provide for the material needs of individuals and families; To protect aged and disabled persons against the expenses of illnesses that may otherwise use up their savings
Explanation:
The one that usually responsible for protecting against noise is :
EPA
EPA protected all things from the source that probably caused health disturbance in an environment, which include sound pollution.
