"A few triplane designs proved successful during World War I; powered aircraft with four or more main lifting surfaces have never been more than curiosities."
Every word will begin with W and end in ING. Another word needs to be placed inside these letters. The definition of the inside word is given. Type the whole word, not just the inside word. I'll give you a clue to the meaning of the whole word.
"Ask FunTrivia" is for entertainment purposes only, and answers offered are unverified and unchecked by
FunTrivia. We cannot guarantee the accuracy or veracity of ANY statement posted. Feel free to post an updated
response
if you feel that an answer is inadequate or incorrect. Please
thoroughly research items where accuracy is important to you using multiple reliable sources. By accessing our
website, you agree to be bound by our terms of service.
Sign up to see all responses!
