TORUS Paradigm

Plate 8A Torus	8B Vehicle Tube & Tire	8D South Indian Medu Vada

(Source : http://www.google.co.in/search?hl=en&q=Tube+in+food&bav=on.2,or.r_gc.r_pw.r_qf.&biw=
1328&bih=574&um=1&ie=UTF8&tbm=isch&source=og&sa=N&tab=wi&ei=sNobUKz_OcbNrQfP4YDY
Cw#um=1&hl=en&tbm=isch&sa=1&q=Torus+shaped+products&oq=Torus+shaped+products&gs_l=
img.12...63.21515.5.23644.40.39.0.0.0.0.0.0..0.0...0.0...1c.kGHVxBkyb1Q&pbx=1&bav=on.2,or.r_gc.
r_pw.r_qf.&fp=76c868bca71bffed&biw=1328&bih=574; Aug 3,2012

A torus (plate 8A) is the shape mostly associated with vehicle tube filled with air or bangle. Besides the inside negative space of the torus, there is also the space within (tubular) that might be functionally important as well. Motor vehicle (plate 8B) tubes are having torus structure. Because of its structure it could rotate around an axis. The formation of Medu Vada (plate 8D) is tubular structure. Because of the hole inside the cooking becomes uniform from outside to inside which is similar to pasta.

Plate 9A Hula Hoop	9B Circle around an axis