First, ancestor worship and industry protector. Show respect for the industry, invest in the industry, and pray for the "blessing" of your ancestors to make your studies successful.
Second, pay homage to the teacher. Generally, master and apprentice sit in their seats, and the disciples kowtow three times, then kneel down and send red envelopes and posts to the teachers.
Third, the master lectured, announced the rules and called the roll. Generally speaking, giving lectures is to educate disciples to respect their ancestors, obey the rules, and encourage them to be innocent and study hard.