\begin{table}%t5 \caption{\label{tsum}Summary of the characteristics of the HMCs in G10.47+0.03 and G31.41+0.31. A ``--'' indicates that we do not have evidence in favour or against the corresponding issue.} \small%\centering \par \begin{tabular}{lccccc} \hline\hline HMC & HC \HII & Ionised & Molecular & Infall & Rotation \\ & & jet & outflow & & \\ \hline G10 & Y & N & Y & Y & -- \\ G31 & N & Y & Y? & Y & Y? \\ \hline \end{tabular} \vspace*{4mm} \end{table}