The answer is the letter B. Amount of restriction measured in inches of water. <span>The restriction measuring devices are used to extend the filter's useful life, that is, they maximize the filter's useful life, which significantly reduces maintenance costs.</span>
Answer:
Part of a windmill's energy comes from hydraulic power, wind energy, and other sources.
You said it's free response and all we had to do was answer so here's me doing the bare minimum. Lol.
In a powerpoint pages are known as slides.
