Concept drawing on blackboard
Palabras clave
idea,
science,
research,
formula,
strategy,
business,
blackboard,
marketing,
education,
thinking,
problem,
solution,
success,
planning,
target,
teamwork,
human hand,
hand,
woman,
working,
machine,
industry,
chart,
chalk,
mathematic,
concept,
creativity,
innovation,
inspiration,
genius