938 EQUIPMENT MAINTENANCE, RECONDITIONING, AND REPAIR SERVICES - HOSPITAL, LABORATORY, AND TESTING EQUIPMENT 93817 * Controlling, Indicating, and Recording Instruments and Supplies 93824 * Dental Equipment 93831 * Engineering and Surveying Equipment; Drawing Instruments 93838 * First Aid and Safety Equipment (Except Nuclear and Welding) 93845 * Furniture, Hospital, Specialized (Includes Refinishing and Reupholstering) 93846 * Furniture, Laboratory, Specialized (Includes Refinishing and Reupholstering) 93850 * Gas Equipment (Hospital, Laboratory, and Welding) 93856 * Hospital and Medical Equipment, General 93857 * Hospital and Medical Equipment, Invalid 93862 * Laboratory Equipment and Accessories: For General and Analytical Research Use - Nuclear, Optical, Physical 93863 * Laboratory Equipment and Accessories: Specialized - Biochemistry, Biology, Chemistry, etc. 93874 * Optical Equipment 93876 * Pollution Control Equipment 93878 * Respiratory Equipment (Including Air Tanks, Breathers, Masks, etc.) 93879 * Scales and Weighing Apparatus 93885 * Testing and Training Apparatus, Instruments, and Machines 93890 * Veterinary Equipment and Accessories (Including Cages and Kennels) 93895 * X-Ray Equipment