Nuts roasting machinery

Any one know any tricks for when using a roasting pan? Is water best to put at the bottom or something like chicken broth and maybe some onions?.. Also is it best to cover whatever your roasting with aluminum foil to keep it moist, then remove towards the end?

IRR. Marielle Machinery Works forecasts the following cash flows on a project under consideration. It uses the internal rate of return rule to accept or reject projects. Should this project be accepted if the required return is 12 percent. Co -$10,000 C1 0 C2 +$7,500 C3 +8,500

All I can remember of this movie is this kid is either at a lake or a pond and what he thinks is a monster turns out to be an old construction digger that was raising in and out of the water due to air bubbles,but he builds this contraption to go under water to find out what it is. I would...

Kindly can any one give me details of types of bearings used in marine machinery