The grooved spheres measure approximately an inch or so in diameter, and some are etched with three parallel grooves running around the equator.
you can read more at:
http://www.virtuescience.com/grooved-spheres.html
Grinnell Grooved Products was created in 1850.
Gravity pulls the asteroids into spheres when they get big enough.
To provide better traction on soft surfaces.
the man walked down a dirt hill which was grooved... hope this helps :p
well at the bottom there is proberly two round spheres so what you do is you is times the spheres by the area of the pyramids base to find out how big it is. ^^this guy is trolling where is there a sphere in a pyramid
They are connected by.......~ Having the word sphere in it.....~ All of them play a big role in our worlds environment~
ridged or grooved.
A canyan is a deep valley often with grooved edges. A rifle is a gun with with a long barrel with grooved interior.
i have a 29a and its not.
Screws
to increase friction
A Victaulic fitting is really a grooved end fitting that is used with grooved end pipe, joined with a coupling. These are found on a variety of commercial and industrial piping systems. Victaulic is the company that originated the grooved piping method so the name "Victaulic" is their registered trade name. The correct generic terminology for these fittings is simply grooved end fittings.