Use your finger to test for any liquid on the outside of each canister. Expected results: More moisture appears on the outside of the film canister that is placed under the cup with a lot of water vapor in it. The film canister under the cup with the dry classroom air has less moisture on it.
Technical knowledge is a theoretical ability to face a technical problem, analyze it, describe it, solve it, talk about it. Commonly found in teachers and drawing table engineers. Technical skill is the practical ability to execute the above.
technical. 1  belonging or pertaining to an art, science, or the like: technical skill. 2  peculiar to or characteristic of a particular art, science, profession, trade, etc.: technical details. 3  using terminology or treating subject matter in a manner peculiar to a particular field, as a writer or a book: a technical report.