There was little to see; the surfaces here were covered with several years' growth of mould.
The process of manufacturing moulds is now often highly automated.
Drying has to be carried out quickly to avoid the formation of moulds.
These are sometimes, but not always, accompanied by a variety of moulds, with which one can make sand sculptures.
In my science class, we grew a culture of mould on a piece of bread.
It was still full of damp and ancient mould wherever Victor looked.
It reduces water penetration and prevents the growth of mould.
These casts are then turned into glass sculptures through a series of positive and negative mould making processes.
Of loftier mould these two were made: reverend and wise.
A set of moulds were taken to modernize the original Mistral body.