plantID[]: set
 version: 3
 desc:    localinformant plantID[] = create (; object=set, data="Plant1 Plant2")
 data:    2 elements
-----------------------------------
1     Plant1          
2     Plant2          

unitID[]: set
 version: 3
 desc:    localinformant unitID[] = create (; object=set, data="Unit1 Unit2 Unit3 Unit4 Unit5")
 data:    5 elements
-----------------------------------
1     Unit1           
2     Unit2           
3     Unit3           
4     Unit4           
5     Unit5