The employee has frequently violated safety rules or practices. The employee has to submit a request for retirement at least a month before retirement day. The employee is hoping to retire. The employee resumes duty in accordance with a prearranged plan. The employees also share the same idea. The employees and their families can participate in the camping trip. The employees demurred at working overtime. The employees had to work overtime in order to produce enough cars. The employees' interests are bound up with those of the corporation. The employees share the burden of toil. The employees threatened to go on strike. The employees treat everything the company president says as a golden rule.