welding
welding — noun
1. a method of permanently fixing pieces of metal by heating their surfaces until t
a method of permanently fixing pieces of metal by heating their surfaces until they soften and can be pressed together to form a single strong piece when cooled
Élise learned basic welding in shop class and built a small metal shelf.
collocation: learn + welding
The iron gate needed urgent welding after a truck hit it during the storm.
noun as subject: [object] + needs + welding
Liang wore a heavy welding mask to protect his face from the hot sparks.
Modern robotic welding can join two pieces of steel in under a second.
Noor got a job where welding is used every day to build ship hulls.
- soldering
uses lower heat and a filler metal with a lower melting point; not as strong as welding
- brazing
uses a filler metal above 450°C but the base metal is not melted; a related but different process
- metal joining
a broader, more formal term that includes welding, soldering, and other techniques
文法句型
welding + noun (attributive)
do + welding
welding + preposition + object
用法筆記
Uncountable — you cannot say 'a welding' or 'welding(s)'. To refer to a single instance, use 'a weld' or 'a piece of welding work'.