21. The result is an interlocked seal and a surprisingly strong-bottomed box. 22. Or maybe it should be interlocked to the windows. 23. Down the road, meaning NBC and the Olympics are interlocked through 2012. 24. The State Council and the Communist Party of China are also tightly interlocked . 25. Boom barriers replaced interlocked gates at the Chelsea Road level crossing in 1977. 26. Boom barriers replaced interlocked gates at the Koornang Road level crossing in 1967. 27. Boom barriers replaced interlocked gates at the Ramsden Street level crossing in 1992. 28. Boom barriers replaced interlocked gates at the Station Street level crossing in 1969. 29. During this period there were several interlocked conflicts of varying scale and intensity. 30. The Birney Car also introduced the use of pneumatically balanced and interlocked doors.
