Strip all colours removes the colour attributes of every entry.
This is very useful when group-working and using Merge file brief to blend the work of teams.
The general approach is:
1) Create a core model containing important areas for consideration.
2) Distribute the model to members of the team and ask them to add their contributions in their own colours
3) Get their models back and merge them with the core model
At this point you can easily see who has contributed what.
4) You may want to make the resulting 'super-model' the basis for more contributions. To easily see the new additions, you can strip the model of all its colours before repeating from step 2)Use: