For the purpose of these regulations, household or personal effects include items such as furniture, clothing, musical instruments, household appliances, foods, and other items that are usual or necessary for the maintenance of a household. Household effects shall not include automobiles; other motor vehicles; farm tractors, implements, and equipment; trailers with or without other property; boats; all animals, livestock or pets; belongings which are not the property of the immediate family of the officer or employee; belongings related to commercial enterprises engaged in by the officer or employee; firewood; fuels; bricks, sand, ceramic wall tile, wire fence or other building materials; or wastepaper and rags.