Process::ContactingOnTray

This ProcessStepDetail is used to represent a process carried<br/>out in an assembly of trays. Its role is to represent trays shown in process flow diagrams<br/>and to support the functional breakdown of complex processing systems. See also<br/>ContactingInPacking.<br/><br/>Roles referenced via<br/>PerformedRoles<br/>should have one of the following <br/>Names:<br/><br/>- Bottom<br/>- Feed<br/>- Monitored<br/>- Top<br/>