What do a group of labor union members do?

Mechanics,

• teachers,

• factory workers,

• office workers,

• actors,

• musicians,

• police officers,

• construction workers,

• airline pilots,

• janitors,

• plumbers,

• doctors,

• pharmacists,

• IT/computer professionals,

• government workers at all levels,

• engineers,

• writers,

• nurses,

• and many more types of workers