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1. \usepackage{float}
   
2. Figures:
   \begin{figure}[h] %here
\includegraphics{latex.png}
\caption[Short title]{Figure Title}
\end{figure} 
   
3. Tables:
   \begin{table}[h] %here
\begin{tabular}{ccc}
some & row & \\
\end{tabular}
\caption[Short title]{Table Title}
\end{table} 
   
4. https://en.wikibooks.org/wiki/LaTeX/Floats,_Figures_and_Captions