Section 16 MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THERE OF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORD ERS AND REPRODUCERS, AND PARTS AND ACCESSORIES OF SUCH ARTICLES 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 59 Machine-tools (including way-type unit head machines) for drilling, boring, mill 84 59 10 84 59 10 00 Commodity Code Description 84 59 10 00 00 - Way-type unit head machines 84 59 21 00 00 -- Numerically controlled 84 59 29 00 00 -- Other 84 59 31 00 00 -- Numerically controlled 84 59 39 00 00 -- Other 84 59 40 00 00 - Other boring machines 84 59 41 00 00 Numerically controlled 84 59 49 00 00 Other 84 59 51 00 00 -- Numerically controlled 84 59 59 00 00 -- Other 84 59 61 00 00 -- Numerically controlled 84 59 69 00 00 -- Other 84 59 70 00 00 - Other threading or tapping machines