sourceMaterialTreatment

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: sourceMaterialTreatment

Indicates how the source material has been processed, altered, or treated (e.g., chemically, physically, or mechanically) before or during its use in a given context.