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Serving to educate or inform
His touch was mechanical and instructional, his attention elsewhere.
After completing its test program this aircraft was used as an instructional airframe by the museum in 1983.
two-time FISM award-winner with a number of best-selling instructional videos on the market.
Letters to the Editor Mine shaft comms, flashgun slave unit, instructional graphics for radiolocation, radiolocation history, Polish translator wanted.
You can also find instructional DVDs, helmets and more.