The standardization of all tools and implements used in the trades, and also of the acts or movements of workmen for each class of work.
The desirability of a planning room or department.
The "exception principle" in management.
The use of slide-rules and similar timesaving implements.
Instruction cards for the workman.
The task idea in management, accompanied by a large bonus for the successful performance of the task.
The "differential rate."
Mnemonic systems for classifying manufactured products as well as implements used in manufacturing.
A routing system.
Modern cost system, etc., etc.