[word=airborne | □=□]
[word=airborne | word=□]
He leaves as a physician . Once airborne , the airship becomes progressively lighter as fuel is consumed , so that modern blimps land at nearly neutral buoyancy . However , we can reduce smog by reducing airborne pollution and that is where our focus should be . He then assigns work to free-lance photographers , illustrators and letterers and must establish and maintain satisfactory working relationships with many others . He was desirous to procure their notice more than a man of his commanding genius ought perhaps to have been . Much of the mercury stays airborne for up to two years and spreads around the globe . At Rocky Mountain National Park , airborne mercury falls to the ground in rain and snow . Coal-fired power plants are the largest man-made source of airborne mercury , emitting about 48 tons per year in the United States . He had talked with John Brown in Concord and recognized him as a primitive idealist of rugged mold , a stern moralist who set justice above the law . " He mentioned other barriers to quality improvement-such as a lack of standardized measures , inadequate information systems to collect data , inadequate resources to pay for data collection and translation , and technological issues such as small sample sizes and measures of questionable validity .