The process of naming a tool cart is as follows:
1. King of tool carts: Emphasis on the main purpose and importance of tool carts, suitable for some high-end and large tool carts.
2. Mobile Assistant: Emphasis on the mobility and convenience of tool carts, suitable for some small and convenient tool carts.
3. Tool Elf: Combining the characteristics of tool carts and mythological elements, it is suitable for some small and cute tool carts.