\documentclass[a4paper,12pt, pdftex]{article}
\usepackage[newdimens]{labels}
\numberoflabels=1
\usepackage[dvips]{graphicx}
\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{helvet}
\renewcommand{\familydefault}{\sfdefault}
\usepackage{array}
\input{properties.tex}
\begin{document}
    \input{body.tex}
\end{document}
