41. The clamshells ascend among projected bubbles and splash onto the shore of a lagoon. 42. The term now refers to both those and the purple beads from quahog clamshells . 43. The central one has a marble clamshell basin. 44. These circular areas were surrounded by banks of clamshells that had slumped over time. 45. The dinner plates are shaped like clamshells . 46. The clamshell digger is essentially two shovels hinged together at the top of the blades. 47. Rather than sliding off a side panel, the entire case opens like a clamshell . 48. The capsule's outer shell broke open like a clamshell but survived mostly intact. 49. Excavation is done using a special clamshell -shaped digger or a hydromill trench cutter. 50. When the clamshell is open, the device is up and ready to be used.
