To guarantee the stability of graphic board, you should avoid placing in the vicinity of hot or cold air flows (for example, in draughts, next to air-conditioners or heating installations).

• 为了保证灰纸板的稳定性，避免把它放在热或冷的气流附近（例如在干燥的地方，在冷气机或在加热装置附近）。