Engineering: Valves expert

Description

Can you write a paper of 1 or 2 pages about directional hydraulic valve ( 3” by 3” wheel valve). That covers

Then make powerpoint file based on the word file

A: presenting the prices from 3 different companies that provide them, and comparing them in regard to

1- prices 

2- quality 

B- compare the hydraulic valve to a regular manual 3-by-3 wheel valve. In that 

1- how much does the regular one cost, and how much can we save in regard to money & time if we were to use the hydraulic valve instead 

2- the prices for repair & maintenance 

C- please include pics & diagrams wherever possible/necessary