In an experiment to prepare temporary mount of a leaf peel staining of leaf peel is done before putting a drop of glycerine. Why?

In an experiment to prepare temporary mount of a leaf peel staining of

1.	In an experiment to prepare temporary mount of a leaf peel staining of leaf peel is done before putting a drop of glycerine. Why?
Answer» In an experiment to prepare temporary mount of a leaf peel staining of leaf peel is done before putting a drop of glycerine. Why?