Complex sentence: Being inexpensively available and chemically benign, stearic acid finds many niche applications, for example, in making plaster castings from a plaster "piece mold" or "waste mold" and in making the mold from a shellacked clay original.
Split into simpler sentences: Being inexpensively available and chemically benign, stearic acid finds many niche applications. When making plaster castings from a plaster "piece mold" or "waste mold" and when making the mold from a shellacked clay original.