1.   Finally, some states prohibit superintendents from participation in a bargaining unit with teachers.

2.   Although the union had hoped to organize graduate students who teach classes into a new bargaining unit as part of the negotiations, its effort has stalled.

3.   A key sticking point was which employees would be included in the bargaining units.

4.   Businesses have often undercut organizing drives by litigating for months about how many sites should constitute a bargaining unit.

5.   But half the restoration offer was to be funded by a transfer of health benefit funds that required approval by all seven employee bargaining units.

6.   But half of the restoration offer was to be funded by a transfer of health benefit funds -- requiring approval by all seven employee bargaining units.

7.   But owners continue to have trouble among themselves figuring out how best to share the pie, and thus have difficulty forming a cohesive bargaining unit.

8.   But the company appealed the size of the proposed bargaining unit and the ballots were sealed by the National Labor Relations Board until the appeal could be heard.

9.   Creating bargaining units with so few people is difficult.

10.   Deals with four sizeable bargaining units, including the ushers, theatrical riggers and costumers, will come up next summer.