something about first aid 有关急救的知识,用英文回答最好

There are always a first aid box in the office.If there are somebody get hurt,then he or she should use the First Aid box.And,if the person need to call the Ambulance,let somebody do some first aid step,it can make that person better. If someone want to learn First Aid,there will be some course in the hospital or in the school.