  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.
Tarmac = a shortening of tarmacadam, which is a mixture of a binder (usually bitumen) and various sizes of crushed rock and/or sand.It is also called asphalt (as technically â¦ Tarmacadam is a brand name). Tarmac is an oil-based product; the binder is a heavy tar or bitumen and as such, it can be 'thinned' by the addition of a lighter oil, such as paraffin, petrol or even â¦ turpentine.