TWMIThrough the Wall Microwave Imaging (radar system)
TWMITotal Wall Motion Index
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References in periodicals archive ?
MAE Snafedd a Twmi yn deryn her gan Rhagwrach heddiwb yn Cnafon Coed (S4C, 4pm).
Youngsters will love meeting characters such as Snafedd (Slime), Twmi and Wili-Wi, small trolls with large personalities.
Twmi on the other hand isn't the brightest of little trolls, but he is a very faithful friend to Snafedd.