열이나 압력을 가하여 금속 부품을 접합하는 작업을 전문적으로 하는 사람.
A person who joins metal parts together by applying heat and often pressure as a profession.
예문:
"The experienced welder wore a protective mask to shield his eyes from the bright sparks."
"She works as a certified welder at a major shipbuilding company."
금속 조각들을 서로 용접하는 데 사용하는 기계나 장치.
A machine or device used for welding metal pieces together.
예문:
"He bought a portable arc welder for his DIY projects in the garage."
"The factory installed new robotic welders to improve the efficiency of the assembly line."