Conceptualization, Methodology, Data Analysis, Writing-Original draft preparation (Rongxiu Wu); Reviewing, Editing and Comments (Weipeng Yang, Graham Rifenbark, Quan Wu). Corresponding author Correspondence to Rongxiu Wu. Ethics declarations Financial interest The authors declare they have no relevant fi...
As students come up to receive their graduation recognition, have the principal of the school shake their hand at one end of the stage. At the other end of the stage, the principal of the school the students will next attend will shake each student's hand. At the end of the ceremony, ...