a first-aid kit的用法和样例：
- A first aid kit should be brought along for emergency purpose.
- A first aider may be responsible for more than one first aid kit.
- First Aid kit including gauze, dressing, dressing tape, bandages, tweezers, scissors, safety pins, alcohol, wipes, cold packs, reflective rescue blanket and a First Aid manual.
- The facility is equipped with a first aid kit on each workshop but spray-painting workshop, and it was found with insufficient supplies such as burn cream and eyewash.
- A first aider shall be appointed to be responsible for each first aid kit on the site.
- Carry a clearly marked first aid kit.