Japanese for Factory Work
Essential phrases for manufacturing and assembly line jobs in Japan.
Factory work in Japan relies on clear, short communication — especially around safety and production flow. Most instructions come in Japanese only, and supervisors expect you to respond quickly. Missing a safety warning because you didn't understand it can lead to real trouble. These phrases cover safety basics, production line communication, and the everyday requests you'll need on the factory floor.
Safety Instructions
ヘルメットを着用してください。
Herumetto wo chakuyou shite kudasai.
Please wear a helmet.
安全確認をしてから作業を始めてください。
Anzen kakunin wo shite kara sagyou wo hajimete kudasai.
Check safety before starting work.
この機械に触らないでください。
Kono kikai ni sawaranaide kudasai.
Don't touch this machine.
非常口はあちらです。
Hijoouguchi wa achira desu.
The emergency exit is over there.
けがをしたら、すぐに報告してください。
Kega wo shitara, sugu ni houkoku shite kudasai.
If you get injured, report it immediately.
Production Line
ラインを止めてください。
Rain wo tomete kudasai.
Stop the line.
不良品が出ました。
Furyouhin ga demashita.
There's a defective product.
次のロットに切り替えます。
Tsugi no rotto ni kirikaemasu.
Switching to the next lot.
検品をお願いします。
Kenpin wo onegaishimasu.
Please do the inspection.
作業手順書を確認してください。
Sagyou tejunsho wo kakunin shite kudasai.
Check the work instructions manual.
Daily Requests
トイレに行ってもいいですか？
Toire ni itte mo ii desu ka?
Can I go to the restroom?
残業はありますか？
Zangyou wa arimasu ka?
Is there overtime today?
この部品が足りません。
Kono buhin ga tarimasen.
We're short on these parts.
体調が悪いので、早退してもいいですか？
Taichou ga warui node, soutai shite mo ii desu ka?
I'm not feeling well — can I leave early?
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