Household cleaning products company agrees with its employees' union not to buy any nonunion-produced goods from other firms for use in household cleaning's warehouse and distribution centers. this is

This is an example of a prohibited secondary boycott. It is not a good labor code wherein a company aims to target a third partisan in order to place pressure on the members of the union. That is why in the example above, the company is denying the members of the union the freedom to choose by not allowing them to buy other than their product because if they do buy there would be a consequence.