what is the work of commutator and brush in motor


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main() { char input[] = "SSSWILTECH111"; int i, c; for ( i=2; (c=input[i])!=''; i++) { switch(c) { case 'a': putchar ('i'); continue; case '1': break; case 1: while (( c = input[++i]) != '1' && c!= ''); case 'E': case 'L': continue; default: putchar(c);continue; } putchar(' '); } putchar(' '); }

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