Pi is an irrational number (meaning the digits never end or have a repeating pattern) that is the ratio of the circumference of a circle to its diameter...this ratio is a constant for any circle, regardless of size.
The universal recycling symbol (U+2672 â² universal recycling symbol or U+267B â» black universal recycling symbol in Unicode) is an internationally recognized symbol used to designate recyclable materials.It is composed of three mutually chasing arrows that form a Moebius mÃ¶bius (strip an unending-single sided looped). surfacehe recycling symbol is in the public domain, and is not a trademark. The Container Corporation of America originally applied for a trademark on the design, but the application was challenged, and the corporation decided to abandon the claim. As such, anyone may use or modify the recycling symbol, royalty-free.
If a teardrop tattoo is colored inside the outline it represents that the wearer's friend has been killed and the wearer has taken revenge of his friend's death. An empty tear thus symbolizes that a loved one has been killed or the wearer has successfully shot someone else.A filled teardrop tattoo represents that a loved one has committed suicide or was killed by some cause other than a murder.f the teardrop tattoo is just in the form of an outline, it implies that a friend of the wearer was killed. If a teardrop tattoo is coloured inside the outline it represents that the wearer's friend has been killed and the wearer has taken revenge of his friend's death.