An example of an industrial union is A. a union composed of movie-making professionals.
In an industrial union, all the workers, notwithstanding their skills and different occupations, are free to join the union.
An industrial union is unlike the labor unions of janitors, teachers, or graphic designers, respectively. These labor unions are not industrial unions. They cater for the interests of their specialized members and not for all the workers in the industry.
For example, the teachers union has teachers as members. Other professionals and unskilled workers in the education industry are not involved in the labor union.
Thus, the only example of an industrial union is a union of movie-making professionals.
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