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→When you heat a metal sheet with a hole, does the hole expand?
'''*Question Corner'''
'''*Question Corner'''
=== When you heat a metal sheet with a hole, does the hole expand? ===
=== When you heat a metal sheet with a hole, does the hole expand? ===
[[File:Expansion-of-a-hole.png|400px]]
[[File:Expansion-of-a-hole.png|150px]]
==Concept #==
==Concept #==