Complex sentence: When added to starch paste it increases its penetrative power, adds to its softness without diminishing its thickness, makes it easier to wash Out of the fabric and produces much more level colours than starch paste alone.
Split into simpler sentences: When added to a starch paste it increases its penetrative power, adds to its softness without diminishing its thickness making it easier to wash out of the fabric. It produces much more level colours than starch paste alone.