Speech is a really easy class to take online.....I took it through my local technical college as Oral Communications. I had to write a lot of papers and only had to actually give one speech in the end in front of a camcorder. Check out your local tech school...this should transfer to a university.
A flat roof is a roof which is almost level in contrast to the many types of sloped roofs. The slope of a roof is properly known as its pitch and flat roofs have up to approximately 10Â°. Flat roofs are an ancient form mostly used in arid climates and allow the roof space to be used as a living space or a living roof.
Rocks are placed on commercial flat roofs for many different reasons: 1  If the roof is what is called a ballast roof, it is not fastened or adhered down throughout the whole roof. The membrane is most likely an EPDM membrane that is fastened at the edges only and being held down by the weight of the rock on top of it. The rock is called ballast.