anchor.diff:              ("trimming" qualified-noun-phrase)
               ("regulating" qualified-noun-phrase)
               ("stabilizing" qualified-noun-phrase)
  -            ("reversing" qualified-noun-phrase)))
  +            ("reversing" qualified-noun-phrase)
  +            ("firing" projectile "at" qualified-noun-phrase)
  +            ("emitting" emission "from" qualified-noun-phrase)))
  +
   (part -> tech-kind (or n pn))
   (subject-to-be -> (or
                      ("a" n "is")
  
positive.code:         (tech "transponders")
          (tech "conduits")
          (subatomic "waves")
          (material "crystals")))
  
  
  (prep-phrase -> (or
                   ("around the" noun-phrase)
  
negative.code:                   "baryonic"
                    "static"
                    "ionic"
                    "massive"
                    "unstable"
                    class-designation
                    level-designation))
  (material -> (or
                "dilithum"
                "aluminium"
                "adamantium"
                "beryllium"
                "carbon"
                "lead"
                "thallium"
                "gold"))
  (subatomic -> (or "tachyon"
                    "neutrino"
                    "proton"
  