(1) School band director In the US, public school band directors are generally either music education majors or education majors with a minor in music.Thus they fulfill the university's general requirements in math, English, social sciences and sciences (biology, chemistry, etc.) and they have taken music education and general education course that allows them to graduate.
The clear plastic tri-folds do not seem to cushion the eggs as well nor insulate as much as the foam. Pulp cartons are possibly more environmentally friendly being made of paper and all, but they cannot be cleaned. Once they get dirty there is nothing to be done but toss them.
Eggs are graded based on their quality and appearance. Grade AA eggs have thick, firm whites and high, round yolks. Their shells are clean and unbroken. Grade A eggs are like Grade AA, but their whites are reasonably firm. Grade A eggs are usually sold in stores. Grade B eggs have thin whites and wider yolks. The shells are unbroken, but might show slight stains. How are eggs packed? An egg is placed in the carton with the large end up.