용접게이지

Weld Gauge

용접구멍

Welding Tip

용접금속

Weld Metal

용접기량시험

Welder Qualification Test

용접기호

Welding Symbols

용접길이

Weld Length

용접끝

Toe of Weld

용접덧붙임

Welding Reinforcement

용접법

Welding Process

용접변압기

Welding Transformer