Quizzes & Puzzles20 mins ago
dtgk 22/07
4 Answers
a closed surface with one side formed by passing one end of a tube through its side and joining it to the other end
Answers
Best Answer
No best answer has yet been selected by Lyndon-Jones. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.