  200 shells per â¦ carton. 600 cigarettes per pound so 16 ounces divided into that is .03 ounces per cigarette or 6 ounces per carton. so 0.6 ounces per pack so the shell weighing .4 to .5 ounces makes sense I guess. Metric scale to .001 ounce needed.
Bitumen is also frequently called tar or pitchâthough, properly speaking, tar is a byproduct of the carbonization of coal and pitch is actually obtained from the distillation of coal tar. Bitumen is defined by the U.S. Geological Survey as an extra-heavy oil with an API gravity less than 10Â° and a viscosity greater than 10,000 centipoise.
What is bitumen and how is it made? Ahhh, the smells of summerâ¦.fish and chips on the beach, freshly mown grass, sun-lotion (particularly those coconut ones) andâ¦erm, the smell of hot bitumen being laid on the road network. And the sights of summer? Well depending on the kind of holiday youâve just had, they may be golden sands and turquoise waters.