You must identify and explain eight (8) types of Intermodal Surface Containers commonly used in transportation and logistics activities. The explanation must include the specification, dimensions, and purpose of each kind. You also need to address these questions:-

1. How do containers help facilitate intermodal shipping?

2. Why containers are popularly used onboard ships?

3. Why are shipping containers marked with different colours?

4. What is the typical lifespan of shipping containers?

5. Other possible uses other than for shipping?

6. What causes the shortage of shipping containers and delays in the container shipping industry globally?