The author catalogues improved drilling and discovery techniques, but concludes : " Most of those wheels have already been invented ."
2.
However, when names are concerned ( e . g . in phone books or in author catalogues in libraries ), umlauts are often treated as combinations of the vowel with a suffixed " e "; Austrian phone books now treat characters with umlauts as separate letters ( immediately following the underlying vowel ).
मोबाइल