 is dedicated to the user or group. As a consequence the user or group can reserve checkout this part to make changes and check-in when the job is done.</p>
		<p>NOTE: This strategy does not ensure the best collaboration between team members but it encourages formal exchanges.</p>
		<p>NOTE: Tooling cannot support every situation; fragments are provided for technical reason (to limit file size and to avoid huge files) and to separate responsibilities into sub-model files.</p>
		<p>The model can be split in 