Pencils are marked on the basis of a European system called ‘the degree scale’, wherein a HB pencil has a medium range lead and the F pencil has a fine point, which is harder than a HB pencil.

The main difference between the HB and B pencil is that the HB pencil is a medium range lead, whereas B pencil has a softer lead.

The main difference between the HB and 2B pencil is that the HB pencil is a medium range lead, whereas 2B pencil has a softer lead.

Pixels are a basic measuring unit in computer imagery. They collectively create images that one can see on a digital screen display. Resolution is the term that is used to describe the crispness and detail of...

Art can be defined as a wide range of human activities and the products of those activities. While there are various different categories of art, two of the popularly known categories are the fine arts and the...