Add punctuation: Habana is a city pulsating with colour and life even the name Habana evokes images of dusky maidens cigar smoke revolution and passion
A: Habana is a city pulsating with colour and life - even the name Habana evokes images of dusky maidens, cigar smoke, revolution and passion.

Add punctuation: Listen O isles unto me and hearken ye peoples from afar Jehovah hath called me from the womb from the bowels of my mother hath he made mention of my name
A: Listen, O isles, unto me; and hearken, ye peoples from afar. Jehovah hath called me from the womb; from the bowels of my mother hath he made mention of my name.

Add punctuation: When all the files in the filegroup are full the database engine automatically expands one file at a time in a roundrobin manner to allow for more data
A:
When all the files in the filegroup are full, the database engine automatically expands one file at a time in a round-robin manner to allow for more data.