1、Pay attention to safety!
注意安全。
2、Put on your safety helmet (safety harness, safety footwear, safety goggle, ear defender), please.
请戴上安全帽（安全带，安全靴，护目镜，护耳器）！
3、Danger!
危险！
4、Look out! Be careful!
当心！
5、Get out of the way.
快躲开！
6、No admittance!
禁止入内！
7、Smoking and lighting fires are strictly forbidden at here.
这里严禁烟火。
8、Look at the sign, danger keep out.
注意标牌，危险勿进。
9、I am sorry, do not touch this, please.
很抱歉、请勿触动！
10、There's nothing better for you than plenty of water and sleep.
你最好多喝水多休息。
11、Check and maintain your electrical appliance regularly.
定期检查和保养你的电动用具。
12、Wear a safety harness properly attached to an appropriate anchorage.
佩戴的安全带需系于稳固点上。