Shipbuilding — Numerical control of machines — ESSI format
Serves as a guide in the co-ordination of system design, to minimize the variety of programs required, to promote uniformity of programming techniques, and to foster interchangeability of programs between NC drawings and flame cutting machines used in the shipbuilding industry. The "ESSI format" may be used in connection with any data code for punched cards, punched tapes, magnetic…