slope decline वाक्य

A fad product develops as a steep sloped growth stage, a short maturity stage, and a steep sloped decline stage.
To ensure a steady flow of oil as supplies from Alaska's North Slope decline, BP has proceeded with projects and campaigns that pose significant risks to Alaska's ecology, said many state and federal regulators, wildlife biologists, environmentalists and representatives of native peoples.
Meanwhile, even though oil companies have shown a surprising ability to squeeze more oil out of maturing fields ( the North Sea is an example ), American domestic production has been declining, as the output from fields in Alaska's North Slope declines and many other fields mature.