Users
Storageroom
Preparation Phase
Recycle bin
Store
(Buyer in Phase 1)
Start: December 26th morning End: Done decorating
Pattern
UtilizationPhase
Storage room
Take over
Pack
Force
Collect
Context Analysis
Useless parts
Functional RequirementsFR.8 The Christmas tree system should be easily dismantled.FR.9 The parts that are not available can meet the recovery requirements.FR.10 The recyclable part can accommodate the size of the storage room.
Post-processingPhase
Use Case Description1.The user collect the available parts and the non useful parts respectively.2.The recycle bin reclaims the non-useful parts.1.The recyclable parts are collected in the room for future use1. The user disassembled the Christmas tree system.
Light
Disposal of recyclable parts
Contact
Start: Done UtilizationEnd: Finish Processing
Disposal of useless parts
Start1: Purchase in the storeStart2: Done purchase
Reusableparts
Disassemble
Use Case Analysis
Christmas Tree System
Christmas TreeSystem
Physical RequirementsPR.6 The total weight of parts which can not be reused shall not exceed 5Kg.
Recyclebin
