Mermaid and Siren are mythical beautiful female creatures, which differ in their appearances. A ‘mermaid’ is a half-woman, half-fish mythical creature; while a ‘siren’ is a half-woman, half-bird type of...

The various types of pencils are differentiated on the basis of their nature, hardness and the shades of the lead used to make the given pencils.

Both, the HB and No. 2 pencil, are the same type of pencils. The term HB is widely used in England, whereas the term ‘No. 2’ is widely used in America.

The difference between the two pencils is that the ‘HB’ pencil has a medium lead, whereas H pencil has a soft lead.

The difference between the two pencils is that the ‘HB’ pencil has a medium lead, whereas 2H pencil has a soft lead.