The Pit Quarry University Handbook's Lesson 8 describes the best practices for screening.
Brontosaurus was a large, longnecked quadrupedal animal with a long, whiplike tail, and forelimbs that were slightly shorter than their hindlimbs. The largest species, B. excelsus, weighed up to 15 tonnes (15 long tons; 17 short tons) and measured up to 22 m (72 ft) long from head to tail. The skull of Brontosaurus hasn't been found, but was .
Spinning is an ancient textile art in which plant, animal or synthetic fibres are drawn out and twisted together to form thousands of years, fibre was spun by hand using simple tools, the spindle and was only with the invention of the spinning wheel in India, and its subsequent introduction to Europe in the High Middle Ages, that the .
Although employment for hundreds of occupations are covered in detail in the Occupational Outlook Handbook, this page presents summary data on additional occupations for which employment projections are prepared but detailed occupational information is not developed.