In a recent project, a 2,200-square foot, single-story office building was constructed with a 30 year architectural shingle. The roofing was subcontracted for $3,900. Determine the cost of the roofing per square foot of office building.

What precautions should you take to prevent injuries when dealing with heavy loads?

The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false

Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way