References in periodicals archive ?
The advantage of this valve consists in that did not change the paint colour, because of smooth mixture of paint's components into a special mixed room with core of rotated hyperboloid or frustum of a cone.
The normal's-n of surfaces, along a parallel circle formed by regular points created a frustum of a cone.
In the paper, there are shown the graphical outputs of chosen 3D objects, simple 3D object, frustum of a cone, figure 1.