979 RENTAL OR LEASE SERVICES OF EQUIPMENT - ENGINEERING, HOSPITAL, LABORATORY, PRECISION INSTRUMENTS, REFRIGERATION, SCALES, AND TESTING EQUIPMENT 97917 * Chemical Laboratory Equipment and Supplies 97920 * Controlling, Indicating, and Recording Instruments 97935 * Engineering Equipment and Supplies 97937 * First Aid and Safety Equipment (Including Manikins and Models) 97939 * Furniture, Hospital - Specialized 97945 * Hospital Equipment - General 97946 * Hospital Equipment - Invalid 97952 * Laboratory Equipment and Accessories: For General and Analytical Research Use - Nuclear, Optical, Physical 97953 * Laboratory Equipment and Accessories, Specialized: Biochemistry, Biology, etc. 97965 * Refrigeration Equipment and Accessories 97972 * Scales and Weighing Apparatus 97981 * Testing and Training Apparatus, Instruments, and Machines 97994 * X-Ray Equipment, Medical