\input{preamble-standalone.ltx}
\begin{document}

% Ex. No. 15 (Section  6.1.2 : Label placement)

\begin{tikzpicture}
 \tkzInit[xmax=5]
 \tkzDrawX[label      = quantity,
           above left = 8pt]
\end{tikzpicture}

\end{document}