Maintaining buildings, grounds, road, and trails by operating heavy power equipment and hand tools such as lawn mowers, portable snow blowers, shovels, rakes, lawn edging equipment, tar pots, culvert steamers, brush chippers, power compactors, power saws, chainsaws, rock bars, picks, axes, crosscut saws, single-jack hammers, etc. The Department of the Interior protects and manages the Nation''s natural resources and cultural heritage; provides scientific and other information about those resources; and honors its trust responsibilities or special commitments to American Indians, Alaska Natives, Native Hawaiians, and affiliated Island Communities.