Refers to discarded or waste iron pieces, such as from manufacturing or demolition.
工場から大量の鉄くずが出た。
A large amount of scrap iron came out of the factory.
Common mixed kanji-kana spelling; くず is often written in kana.
Full kanji spelling; 屑 is a less common kanji and may be written in kana for readability.
Compound of 鉄 (てつ, 'iron') and くず ('scrap, waste').