Simplify the following text for a Grade 10 native English-speaking person.
Original: From the commercial perspective , the most important wax is Carnauba wax , a hard wax obtained from the Brazilian palm .
Simplified: Some waxes , like beeswax , carnauba ( a vegetable wax ) , and paraffin ( a petroleum wax ) occur naturally . Another such wax is earwax , which occurs in the human ear .