🔍 Key Concepts

• Meaning of caisson in a shipyard/harbor context • Difference between a basin dug into the shore and an inclined slipway • Traditional term for a permanent drydock structure built of masonry or concrete

💭 Think About

• Which option describes a fixed, excavated basin that can be flooded and pumped dry to work on a ship? • Which terms are actually parts or pieces (like the gate) rather than the whole dock structure? • Which option refers to a launching ramp, not an enclosed basin?

✅ Before You Answer

• Match the definition: large basin cut into the shore, closed off by a caisson • Eliminate any answer that is mainly for hauling/launching on an incline rather than docking in a level basin • Check which term is standard for a permanent, excavated drydock in shipbuilding/repair texts