저렴한 납땜 연기 추출기를 만드는 방법

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How to Make an Affordable Soldering Fume Extractor, Mark the intake port: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0

How to Make an Affordable Soldering Fume Extractor, Mark the intake port: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

Mark the intake port

Flip the box over.
Use a pen or a pencil and a straight edge to mark out the intake port.
Leave a lip so the filter material won't fall out when placed inside the box.

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