1 The employees in his group are senior and experienced although they work in a sloppy way.So firing anyone of them will not be a good solution.
2 To share the business knowledge with all the employees in order to make sure that noboday is irreplaceable.
To set an incentive system in order to motivate the employees to work harder
To keep a close eye on the accuracy in filling orders and maintaining the inventory in order to supervise the employees' performance.