Write an  essay about  what is important in a job 
- Full time or part-time.
- flexible hours. 

When you work, you have to think about the physical and psychical work environment, because it can show up some trouble, if you don`t care these work environments. So, there are several important things you have to follow in order to avoid getting sick, for example, If you would like to work as a cashier in a shop.

These psychical work environments are irregular working hours. Irregular working hours are often stressfull. By irregular working hours I mean evenings and weekends. We have to rest and take some breaks from work. that does not mean that I usually have to workevenings and weekends. I should have at least one day off every week. And I should have a free weekend every other week, enjoy the weekend.

Stress. If the stress continues for a long time, it can cause body problems. So, it is important to avoid stress, because stress makes us sick and the immune system deteriorates and that causes headaches blood pressure and other ailments. Exercise is the best solution to relax.We can do the training in different ways, for example running in the forest, aerobics dancing, swimming and walking. So, it is important that the store cashier has a free day every week to relax and exercise.

The physical work environmentsing are lighting, air, and sound. If lighting is mounted in a good way, you will reduce stress. Air and sounds are important because ventilation system should exchange polluted air. And sounds is interesting to install loud speakers in the store's roof, for customers to enjoy music when customers shop and stand at the checkout.

So, in summary, you haveto think about the physical and psychical environment whether you work as a teacher or store cashier in order to avoid some health problems.