About 600 union members have already gone back to work, even as union and management remain divided on two significant points.

The union, which dates from 1919, is presently divided into 550 different bargaining units.

The union is divided into a component structure, where each corresponds to a sector.

Major educational unions were divided on the new Fernandez proposal.

These unions are often divided into "locals", and united in national federations.

Historically, unions have often been divided on crucial policy questions.

The pilots' union and the company have been trying to negotiate a new contract for months but are still divided on many issues.

The museum and union remain divided on several basic issues, including pay, health coverage and job security.

The Spanish unions are profoundly divided along ideological lines.

Even the two big teachers' unions were divided.