TM 10-8400-201-23 9-6  REPAIR AND MAINTENANCE-Continued Table 9-4.  Procedures for Stain Removal-Continued TYPE OF STAIN PROCEDURE FOR WOOL FABRIC PROCEDURE FOR SYNTHETIC FABRIC Blood Dampen area that is stained with Flush stained area with lukewarm water   Apply soap or synthetic or cold water, then using warm detergent  solution  (with  am- water, wash stain with a soap monia if available), tamp with or synthetic detergent solution. brush, and flush with water. If stain remains, sponge with hydrogen peroxide.  (Do not use bleach on colored material). Blood Scrape off top of stain.  Dampen Scrape off top of stain.  Flush stained area with water, apply stain area with  lukewarm or soap or synthetic detergent cold water, then, using warm solution (with ammonia if avail- water, wash stain with a soap able), tamp with brush and flush or synthetic detergent solution with water. If stain remains, sponge with hydrogen peroxide, (Do not use bleach on colored material). Note:  Additional Stain Removal Introduction will be found in FM 10-300. (3) Repair. (a) Stitching  and  restitching  shall  conform  to  V-T-276,  V-T-301,  and  MIL-T-43548  in  the  following  types  of stitch, thread size, and stitches per inch  required for repair (Table 9-5). Table 9-5.  Stitching Instruction Service Coats, Men's THREAD USE STITCH TYPE NEEDLE/BOBBIN STITCHES PER INCH General 301 50/3-50/3 10-14 Overedge 503 or 504 70/2-70/2 6-10 Bartack -- 50/3-50/3 28 Buttonholes (5/8 inch) -- B-B 42-48 Buttonholes (1 Inch) -- B-B 63-70 Buttons 101 or 30/3 14-16 301 or 30/3-30/3 14-16 hand 30/3 4-6 9-13