Definitions for "ETV"
Educational Television; service offering for transmission of televised instruction; term also used by broadcasters to describe instructional and cultural programming.
(Enhanced Television) - a type of interactive television technology which allows content producers to send HTML data and graphical "enhancements" through a small part of the regular analog broadcast signal called the Vertical Blanking Interval. These enhancements appear as overlays on the video and allow viewers to click on them if they are watching TV via special set-top box/software services.
A noncommercial television station primarily devoted to educational broadcasting.
Extravascular Thermal Volume
Keywords:  solas, towing, emergency, sea, safety
Emergency Towing Vessel SOLAS Safety of Life at Sea