A key, that when typed does not advance the typing position, thus allowing another character to be imprinted at the same location is
ATab key
BDead key
CShift key
DEraser key
ATab key
BDead key
CShift key
DEraser key
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Address in official letters are typed in --------spacing ?
The punctuation mark used after 'from' and 'to' to be written while typing the address in a letter ?