Answer
Unmarked symmetrical objects such as cylinders can be superimposed on each other while shoes or gloves cannot.
Work Step by Step
Imagine putting a identical glassware on top of one another - it is similar in geometry.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.