Many food-bourne illnesses start with unwashed hands that prepare food, so the answer is washing your hands
Guy de Maupassant's work are deemed naturalistic because his characters are usually the working class and they are often portrayed in a very harsh conditions of real life where misery is prevalent.
Majority of his themes are about war and German occupation. His stories focus more on women, especially those who are victims and prostitutes. A lot of his stories also focus of depression, paranoia, and madness usually resulting to death and destruction.
Answer:Figurative language can help enhance descriptions and help readers understand the underlying symbolism shown in a story/book or whatever. Like a metaphor is used to take a concept we already understand and use it to better understand the less known element .