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As a result , a maximum efficiency in tensile strength was observed in glass specimen as fibre content approached 22.5 % , with higher fibre contents ( up to 33 % ) , yielding only minor increases in strength .
 material: As; machanical property: tensile strength; material: glass; material: as; material: fibre; machanical property: strength
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
 Entities: As, tensile strength, glass, as, fibre, strength 
Answer:
 material: As; machanical property: tensile strength; material: glass; material: as; material: fibre; machanical property: strength