\r
<p> </p>\r
\r
-<p>Secondly, you can define a Torus with the centre at the origin of coordinates \r
+<p>Secondly, you can define a Torus with the center at the origin of coordinates \r
by its Major and Minor <span style="font-weight: bold;"><B>Radiuses</B></span>. \r
</p>\r
\r