Public Improvements means only the following improvements: housing facilities; garbage disposal plants; rubbish disposal plants; incinerators; transportation systems, including plants, works, instrumentalities, and properties used or useful in connection with those systems; sewage disposal systems, including sanitary sewers, combined sanitary and storm sewers, plants, works, instrumentalities, and properties used or useful in connection with the collection, treatment, or disposal of sewage or industrial wastes; storm water systems, including storm sewers, plants, works, instrumentalities, and properties used or useful in connection with the collection, treatment, or disposal of storm water; water supply systems, including plants, works, instrumentalities, and properties used or useful in connection with obtaining a water supply, the treatment of water, or the distribution of water; utility systems for supplying light, heat, or power, including plants, works, instrumentalities, and properties used or useful in connection with those systems; approved cable television systems, approved cable communication systems, or telephone systems, including plants, works,