Glass crafts are made by heating sand silica until it melts into a liquid state. The melted glass can then either be shaped by blowing the liquid glass or by pouring the melted glass into a mold. The shape and size of the finished piece depend on the tools and method used by the artist.
Answer:
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A commission is a where the artist is hired and paid to create artwork, where a patronage is when the artist is given financial support through others to provide these artworks.