Dad. Engineer. Hero. Father T-ShirtMachine wash cold with like colors, dry low heat For that nerdy, funny, awesome, cool Dad on his special day. Whether he works in mechanical, industrial, structural, electrical, chemical, civil, computer, biomedical, marine, geological, nuclear, materials, aerospace, environmental, hvac, manufacturing, biological, audio, agricultural, or software engineering, this tee makes an awesome gift for Father's Day, Graduation, Promotions, Birthdays, or just