How do I detect steps that use a component before it is introduced in an assembly or unboxing guide?

List parts with commas. A dash means no parts. A part introduced on this step is available only to following steps.

Try the worked example

These are the example inputs from Instruction Sequence Check. Replace them in the tool to run your own case.

Step	Introduces parts	Requires previous parts
Unpack carton	Tray, Lid	-
Seat insert	Insert	Tray
Close lid	-	Lid, Seal

Example result
Close lid · Revise · Introduce earlier: Seal.

Who uses this?

Retail instruction writers. The free online tool runs the calculation in your browser. To edit the files and use the tools offline in one business, see the €49 offline edition.

Where the idea came from

Benchcraft adapted the reviewed approved-document search and team brief idea for retail instruction writers. The rules and fictional example here were created for this tool.

Original video