We are considering a replacement sheet-metal cover. The attached drawing is revision [revision]. The machine mounting holes and mounting face cannot be changed. Photographs identify the internal keep-out space, cable entries and removal direction.

Please compare modification of a standard enclosure with drawing-based fabrication. Identify any proposed changes and their reasons. State which hardware, finishing, accessories and final inspection are included, and who will prepare the flat pattern. Explain how the first piece will be checked. Quantity: [quantity]. Requested timing: [date]. Destination: [country/region].