Several workers are invited on to a stage and told to stand in a line. The first is offered a piece of chewing gum. After he spits it out, the second is asked to chew it too. He refuses, prompting a discussion of when and why people are prepared to share body fluids. This is industrial theatre, one of the methods by which South African firms try to persuade their staff to sleep around less. A typical South African company can expect a fifth of its workforce to die of aids in the next decade, so managers have little choice but to meddle with employees'sex lives.
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