56 Machine Trades Print Reading Copyright Goodheart-Willcox Co., Inc. the part. The word NOTE usually precedes information it is furnishing. Abbreviations often appear in notes and in other parts of drawings. The Reference Section in the back of the book lists the industries’ common abbreviations. Some typical notes found on prints could include: FINISH: BLACK OXIDE FINISH THIS SIDE WORKING FROM COMPLETED OPPOSITE END BREAK ALL SHARP CORNERS NO DIE PARTING MARKS PERMISSIBLE ON THIS SURFACE NOTES: WHEN GRINDING .3762/.3757 DIA. USE MICROMETER NOT AIR SNAP GAUGE HAVE SLIGHT TAPER TOWARD PINION NOTES: HEAT TREAT PER ES-12-1001 TEMPER PER ES-12-3000 R 39-43 (ES NUMBER FOR IN-HOUSE USE) MINIMUM DEPTH OF 5/8 DRILL TO CLEAR SPINDLE END NO SHARP EDGE ON 4 SQUARE CORNERS #3 GA. (.2391) HOT ROLLED, PICKLED, AND OILED SHEET STEEL