People can fall: â  from the edge of a completed roof; â  from the edge where work is being carried out; or â  through openings or gaps. Edge protection Unless the roof parapet provides equivalent safety, temporary edge protection will be required during most work on flat roofs.
Why is astronomy considered the original science? Astronomy is the oldest science for our ancients either drew or made structures according to seasons or movements of celestial bodies in our Universe.
Obtaining an astronomy degree requires a great deal of schooling. Since astronomy is a science that relies heavily upon math, excellence in mathematics and science is necessary. Many students wishing to become astronomers begin reaching science and math goals as early as high school.btaining an astronomy degree requires a great deal of schooling. Since astronomy is a science that relies heavily upon math, excellence in mathematics and science is necessary. Many students wishing to become astronomers begin reaching science and math goals as early as high school.