0 the practice of advertising a product for a period of time, stopping the advertising, and then advertising it again for another period: --
Ad flighting is generally done when advertising budgets are limited.
Advertisers will often employ less costly media such as radio or newspaper during a television flighting hiatus.
The helical flighting rotates inside a long metal tube, moving the grain upwards.
It is only after solids accumulate in the gap that the downstream flighting catches material.
The flighting of a duck pond at night is an old tradition.
It is noteworthy that no males accompanied it, and that therefore presumably the females had been fertilised before flighting.
