Because if the worker is happy with the products, you will be well and happy and successful, and if successful, the company will have, which will make the worker are happy with the work and products is even better.
Because if the worker is happy with the work. The product will be good And happy with the work and the results achieved. And if it works out successful companies to reward the worker will have to work and be even better.
Because if worker happy with the work product will turn out well and happy with the work and achieve success. And if it is successful, then the company will be awarded the worker enjoyed working and products even better.