Termidor for termite control is available in two formulations, Termidor Dust Â® and Termidor Residual Â® , the perfect combination for both inside and outside your home, to ensure complete termite nest elimination and full protection from future termite attack.
skew lines are noncoplanar lines, which means they aren't parallel and they also don't intersect   skew lines do not intersect and are not coplanar.
Skew symmetrical determinant. (Alg.) a determinant in which the elements in each column of the matrix are equal to the elements of the corresponding row of the matrix with the signs changed, as in (1), below.