Go to www.usga.org/playing/etiquette/etiquette for a very thorough explaination.
A class in business etiquette should be taught at all business colleges.
Etiquette classes are offered by prestigious boarding schools. I am not sure where you could take an actual class at, though I know you could find some tips on proper etiquette online, on a website such as E-How.
so that people can avoid accidents and injuries
Yes, telephone etiquette is as important as good behavior in person.
Etiquette has evolved differently in each society, ethnic and national and religious and class of humanity. Please and thank you and smiles are the most universal means of expressing the intention to follow good etiquette in every place and strata of society.
because the people can talk sheet about you hahaha
My brother did not act as a gentleman at the table, so Mother made him practice his etiquette.
only students ranked in the 20 percent can attend college (apex)
There are very many of them so they have to be studied because they are an important class of stars.
They were important t the upper class ancient Romans because that is were they lived.
If you have no cooth, you should take a class in manners or read Emily Post's Book of Etiquette.