The New Production Line General Considerations Broad decisions as to machine class need to be made early and are usually obvious. For example: Will it be a dedicated machine or will it need interchangeable parts? Are particular standards of cleanliness and sterility necessary? Are active chemicals needing special corrosion protection procedures a factor? Should the machine flow be from left to right or right to left?The New Production Line General Considerations Broad decisions as to machine class need to be made early and are usually obvious. For example: Will it be a dedicated machine or will it need interchangeable parts? Are particular standards of cleanliness and sterility necessary? Are active chemicals needing special corrosion protection procedures a factor? Should the machine flow be from left to right or right to left?