What are the options? As soon as you put them on the question I'll be glad to answer your question :)
Is it 4000 psi, 3500psi and 3000psi
During the years from 1700 to 1900, many people suffered from many hardships. Many that were due to progress, such as the enlightenment. Some of the hardships suffered were war, death (from disease and famine), and apartheid.