Ploblem solving. Chalk sketch of two puzzles with words politeness and impoliteness
Schlüsselwörter
learn,
impoliteness,
balance,
answer,
advice,
research,
civility,
politeness,
problem,
vignetting,
college,
question,
drawing,
university,
search,
blackboard,
puzzle,
study,
decision,
solving,
concept,
brainstorm,
board,
solution,
chalk