Terms for subject Mathematics containing contact points

English	Russian
contact point	точка прикосновения
point of contact	точка встречи
points of contact	место соприкосновения
the no-slip rolling condition means that the velocity of a material point in contact with a surface is zero	условие качения без проскальзывания
the point of contact	точка касания
the points of contact	место соприкосновения