Let $x,$ $y,$ and $z$ be positive real numbers. Find the minimum value of \[(x 2y 4z) \left( \frac{4}{x} \frac{2}{y} \frac{1}{z} \right).\]

The answer is harsh laws are needed to control the society

Skew lines(segments) are lines(segments) in 3 dimensions that do not intersect the given segment and are not parallel to it.  ae, bf, eg, and fh are your skew segments.  i hope that : )