Metalworker (6)
(Other definitions for robot that I've seen before include "Android, possibly" , "Automation" , "Programmable machine" , "programmed servant" , "Automatic machine" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">metalworker</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for smith that I've seen before include "Black . . . . . or gun . . . . ." , "Worker in forge" , "Common family name" , "Person who makes things in metal, may be black" , "Metal-worker" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">metalworker</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for welder that I've seen before include "Metal joiner" , "metalworker" , "One joining" , "Torch-bearer" , "Skilled worker who fuses metals using heat" .)