The line list application is composed of a set of editable design objects and a set of non-editable design basis objects. The types of editable objects that constitute the line list application's design are:
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Line segment
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Line list record
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Line list pipeline
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Line list
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Line list document
The corresponding set of read-only objects that form the line list application's design basis is listed below:
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Line segments
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Equipment and nozzles
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In-line and off-line instruments
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Off-page connectors