Because some music contains bad language.
Answer:
the Mediterranean Sea and the North Atlantic Ocean
The sea is used as a symbol for life and its hardships.
Santiago's hand become a religious symbol in two ways. First, the wounds Santiago suffers on his palms are an obvious connection to Christ, especially his crucifixion.
The Mast symbolize the cross
Sanitation would be the biggest one. For example, all food being stored in clean places at the proper temperatures.