rewrite 1. **Reliability and Trust**: The dabbawallahs have a reputation for being extremely reliable, which is crucial for their business model. Customers trust them to deliver their meals on time and without any mix-ups. 2. **Efficient Logistics and Coordination**: The dabbawallahs operate in a highly coordinated manner, with each person knowing exactly what their role is. This level of coordination and efficiency is crucial for the system to work. 3. **Local Knowledge**: The dabbawallahs have an intimate knowledge of the local area, which allows them to navigate the complex and often congested streets of Mumbai effectively. 4. **Low Cost**: The service is affordable, which makes it accessible to a large number of people. 5. **Simplicity**: The system is simple and doesn't rely on advanced technology, which makes it easy to operate and maintain