Detailed Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Q: If malleable , a material may be flattened by hammering or rolling .
A:
Malleability , a similar property , is a material 's ability to deform under compressive stress ; this is often characterized by the material 's ability to form a thin sheet by hammering or rolling .