The word Metaling is misspelled against Metalling, which is present continuous of "Metal"
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Metalling has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings meta & ing which should not be misspelled with single 'L'
Wrong Spelling: meta-l-ing
Correct Spelling: meta-ll-ing
Find more wrongly spelled words of Metalling to spell it well.