water,please.节约用水
plants,please.请爱护花草
se keep off the grass.不要践踏草坪
t side,please.请靠右行
r you!您先请
careful.请小心
quiet!禁止喧哗
smoking.禁止吸烟
’t litter the floor.不随地扔垃圾
paper,please.节约用纸
off the light,please.请随手关灯
12. Protect Public Propety. 爱护公共财物
13. Handle with Care 小心轻放
14. Safety First 安全第一
15. Keep Silence 保持安静
16. Save Food 节约粮食
17. No Cycling in the School校内禁止骑车
18. Keep Away From Fire 切勿近火
19. Save the earth, Our Only Home.保护地球，我们唯一的家。
20. Save on electricity.节约用电
se shut the door after you. 出入请关门。
clean. 保持清洁.
ras are forbidden.禁止拍照
climbing.禁止攀爬