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 67 Tools for working in the hand, pneumatic, hydraulic or with self-contained elect 84 67 11 84 67 11 00 Commodity Code Description 84 67 11 00 00 -- Rotary type (including combined rotary-percussion)