Gum could possibly be just as effective as flossing, even though they each target different areas of the mouth. Chewing gum does not remove bacteria from the same places of the dentition as does brushing or flossing.
Dictionary.com defines a passive restraint as âa safety device, as an air bag or special seat belt, that is activated automatically to protect an automobile passenger at the moment of impact when a collision occurs.â Passive restraints are not limited to vehicular safety.
3 The role of the discount rate. It is clear that a key variable when calculating the NPV, IRR and Adjusted IRR is the discount rate. Box 5: Discount rate. The World Bank convention is to use a discount rate of 12 percent when evaluating Bank financed transport projects.