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.
A skill that is required for the accomplishment of a specific task. Use technical skill in a sentence. You need to have the technical skill for the job if you want to be able to move up and master your craft. He had a lot of technical skill, so we decided that it would be a good idea to hire him on the spot.