Graffiti
is a type of deliberately inscribed marking made by humans on surfaces,
both private and public. It can take the form of art, drawings or
words. When done without a property owner's consent it often constitutes
vandalism. Graffiti has existed at least since the days of ancient
civilizations such as classical Greece and the Roman Empire.

The word "graffiti"
expresses the plural of "graffito", although the singular
form has become relatively obscure and is largely used in art history
to refer to works of art made by scratching the design on a surface.
Another related term is sgraffito, a way of creating a design by
scratching through one layer of pigment to reveal another one beneath.
All of these English words come from the Italian language, most
likely descending from "graffiato", the past participle
of "graffiare" (to scratch); ancient graffitists scratched
their work into walls before the advent of spray-paint, as in murals
or frescoes. These words derive in their turn from the Greek ??afe??
(graphein), meaning "to write". Historians continue to
speculate over the vexing question as to where the term "graffiti"
first referred to this form of marking.
Buffing - (to
buff) to remove a graffiti painting with chemicals
and other instruments.
To gain notoriety,
and make pieces difficult to remove, graffiti artists
will sometimes paint hard-to-reach spots such as rooftops. Such
heavens pieces (also commonly known as giraffiti), by the nature
of the spot often pose dangerous challenges to execute.
Another technique
sometimes referred to as scratchitti involves making
purposely hard-to-remove graffiti by scratching or etching a tag
into an object, generally using a key or another sharp object such
as a knife, stone, ceramic drill bit, or diamond tipped Dremel bit.
The Mohs scale of mineral hardness determines which stones or other
objects will scratch what surfaces.
Information
on Scratch Removal Methods
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