Write the next sentence in this paragraph:

How to be a great waitress
Always look presentable.
If you wear a uniform, make sure to keep it in excellent condition-ironed, stain-free and neat. If there is no uniform, wear well kept, slightly formal clothing.
This gives the customers a better first impression and will keep your boss happy. Check your appearance periodically to see if you look disheveled or have spilled something on yourself without noticing.