Engineering Keywords Crossword Puzzle

QUESTIONS LIST: kevlar: a composite used for bullet proof vests, draw filing: another filing process, hardness: when a material can scratch other materials, tension: a pulling force, mild steel: the metal you have been filing & reshaping, toughness: when a material does not shatter under shock loading, ductile: a material that can be reshaped without breaking, ferrous: a metal that contains iron, thermoplastic: a polymer that can be reused on heating, compression: a squashing force, ppe: personal protective equipment, copper: a good conductor of electricity & heat, cross filing: a type of filing process, alloy: a mixture of two or more metals (elements), filing: a wasting process you have done, oak: an example of a hardwood