Constructive solutions in the design of the walkways contribute to facilitate the evacuation of rainwater, one of the most harmfulagents to wood in outdoor use.
在设计上人行道的建设性解决方案主要有助于促进雨水的疏散，雨水是在室外使用上损伤木材的最大因素之一。
2
The medical succor for hijack terror includes treatment and transportation of the wounded, sanitation for epidemic prevention, protection from harmfulagents, and medical health care.
劫持恐怖医疗救援的主要内容包括：伤病员的医疗救治和后送、卫生防疫、卫生防护、医疗保健等。
3
Chemical. Poisoning or injury caused by chemical substances, including ex-military chemical warfare agents or legitimate but harmful household or industrial chemicals.