'You're lucky to have this job':

Many of the managers start threatening their employees that they are very lucky to have their current job. They say it in a threatening attitude because to make the employees feel that they are under threat of losing the job at any moment if they do any mistakes. This may affect them in a really bad way as the start working under threat of losing the job. They fail to enjoy the work they do.

'If you don't want this job,I can find someone to replace you':

Whenever an employee ends up in doing any mistake, it's like he or she has dropped them into a problem. If an employee takes his problem to their managers, the managers sometimes become helpless or some of them become least bothered to help their employees in solving their situations. They just say they have all the rights to replace another employee in their place.