Parts of Speech for Air hardening
A·ïr hard·en·ing
A a Gramatical Hierarchy
Grammatically "Air Hardening" is a noun. But also it is used as a adjective.
All about air hardening Download all about air hardening in pdfGrammatically "Air Hardening" is a noun. But also it is used as a adjective.
All about air hardening Download all about air hardening in pdf