Before getting into our actual topic today, I want to define some terms that may be misunderstood or ambiguous to the general public.
Street Art – a form of visual art in public locations that the artist has been given legal consent to produce/perform.
_Graffiti – Drawings, markings or slogans spray painted or sketched on a public wall or sidewalk.
_Tag – A graffiti artist's personal signature.
_N95 Respirator or Mask – Face mask or respirator that has been NIOSH rated to filter 95% of particles (0.3 microns or larger) that are NOT oil-based.
EN149FFP1(S) – A European standard for solid aerosol particles and is usable in all outdoor sports, the US equivalent of N95 filtration.