Connect, as copper (4)
I believe the answer is:
weld
(Other definitions for weld that I've seen before include "Join (metals)" , "Fused metal joint" , "Join by fusion; dye plant" , "Join; fuse" , "Type of metal joint" .)
I believe the answer is:
weld
(Other definitions for weld that I've seen before include "Join (metals)" , "Fused metal joint" , "Join by fusion; dye plant" , "Join; fuse" , "Type of metal joint" .)