A more thorough explanation:

Definition: Laboratory conditions refer to the ideal conditions for a union election, where employees can freely choose without any interference from the employer, the union, or any other party.

Example: In a workplace, the employer should not threaten or intimidate employees who are considering joining a union. Similarly, the union should not bribe or coerce employees to vote in their favor. These actions would violate laboratory conditions and compromise the integrity of the election.

Explanation: Laboratory conditions are essential to ensure that employees can make an informed decision about joining a union. Any interference or coercion can undermine the fairness of the election and violate the employees' rights. By maintaining laboratory conditions, employees can exercise their right to choose freely and without fear of retaliation.