Perhaps you should try some spelling variations:
"strengths of materiales" » "strengthen of materiales", "strengthens of materiales"
"strengthens of materials" » "strengthen of materials", "strengthened of materials", "strengthening of materials", "strengthens of materias", "strengthens of materia", "strengthenens of materials"
"strength of material" » "strengthen of material"

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("strengths of materiales") OR ("strengthens of materials"))) OR ("strength of material"))~.
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