dioptric lighthouse
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- Lunar probe
- oil window
- major
- British Insurance Group
- Period of Container Leasing
- principal traffic route
- cargo lamp
- quotation
- general speed
- lighting and ventilating shaft
- triple treat sonar
- master link,master rod; main connecting rod,
- running out system
- assigned
- broad on the starboard quarter
- general delivery
- damping effect
- rise and fall
- quality conformance inspection
- topgallant