Because of occurrence of just one contact point in each instant, there exists a contact path on each tooth surface.
In Naqada II times, early evidence exists of contact with the Near East, particularly Canaan and the Byblos coast.
Thus, for blocks of the simple type, just one possibility or rule exists to contact another one (full edge connection), whereas for blocks of the complex patterns three of such possibilities were available (full edge, half edge, or diagonal configuration).
An association seemingly exists between contact allergy and cancer.
Therefore, there exist three contact cases between the tubular string and the wellbore: no contact, point contact, and wrap contact.
By contrast, the Stones were primal and natural performers, whose music seemed to thrive, even to exist, in contact with the audience.
It can be observed that the iron particles are in the form of nanospheres, which exist in contact with each other and form chains having diameters of 50 to 100 nm [17].
Native lands, the places where California Indian tribes had interacted closely with the landscape for generations, were designated as unpopulated "wilderness" areas to conform to Euro-American notions of idealized, pristine conditions that supposedly existed before contact.
Further, although joint stroke process development projects did exist, limited contact beyond these initiatives was described.
While they believed this to be a necessary but not sufficient element of care, it was once again pointed out that treatment cannot exist without contact.
