Yellow "Caution" sign with wording Do Not Enter. Note that Do Not Enter signs are available in Caution, Danger, Notice, Warning (green) and Warning (orange) in this collection 未選中 警告: 登錄 警告: — — 請不要輸入
A yellow caution sign where a new sign is to be created or an unknown caution is to be written in 未選中 警告: 登錄 警告-空白