--subdivision Dust control under types of industries, industrial plants, and processes, e.g. Construction industry--Dust control; Foundries--Dust control
Here are entered general and non-legal works on the control of guns. Works on the legal aspects of gun control are entered under Firearms--Law and legislation.
--subdivision Metabolism--Regulation under individual chemicals and groups of chemicals and individual organs and regions of the body, e.g. Copper--Metabolism--Regulation; Heart--Metabolism--Regulation
Here are entered works on the strategic and tactical employment of land or sea-based forces of a country at the time its maritime interests are threatened, so as to gain or exploit control of the sea or deny its use to the enemy. Works on long term questions of naval strength, including weapons, installations, national resources, etc., allowing a country to maintain control of the sea and the air space above are entered under Sea-power.