APT cnc programming specialties include:
Masters for families of parts
Conditional logic ladders
Associative programs
Parametric programs
Source generation
Source revisions
Post processors
Data sets
Macros
Lathsq
Thrdsq
Uturn
Loops
Lib.

APT language and post processor courses:
Yr.   Subject
---   ----------------------------
'03   Post processor customization
'92   Post development
'87   Advanced
'84   Basic.

Machine types programmed using APT:
Type       Up to
---------  ------
HBMs       6 axis
HTLs       6 axis
HMCs       6 axis
VMCs       5 axis
Gun Drill  3 axis.

Tool engineering:
Holders
Inserts
Grades
Bars
Designs
Upgrades
Purchases
Selections
Comparisons
Modifications
Implementation
Testing/proving
Operator feedback
Optimizing applications
Standardization for operator ease
Program library converted to new tools.