```mermaid sequenceDiagram autonumber participant tja as The JigsApp actor bd as Board Designer Note right of bd: PCBA Design bd->>tja: Orders Jig activate tja tja->>bd: Ships Jig Kit(s) (>14 days) deactivate tja destroy tja activate bd Note right of bd: Assemble Kit(s) (Approx. 30 minutes) Note right of bd: Assemble & Verify Testing Electronics deactivate bd create actor cm as Contract Manufacturer bd->>cm: Send Jig activate cm Note right of cm: Programming, end of line testing, & functional test deactivate cm destroy cm cm->>bd: Tested & programmed boards ```