noun
physical work; manual labor
Slang term for blue-collar or manual labor jobs, often in construction, manufacturing, or similar fields. The 系 suffix marks it as a category or type.
See also: ガテン
彼はずっとガテン系の仕事をしてきた。
He has always done physical work.
noun
physical worker; blue-collar worker
Refers to a person who does manual labor. Often used in contexts like ガテン系の男性 or ガテン系の人.
See also: ガテン
あの人はガテン系だから力が強い。
That person is a blue-collar worker, so he is strong.