Personalized Work With Nuts Beam Adult Sweatshirt. Structural engineers work with nuts with and bolts on a steel beam is a funny design for engineers at birthdays, holidays and graduation. Stay warm and stylish with this classic adult sweatshirt, perfect for everyday comfort. Crafted from soft, durable fabric, it features a relaxed fit for added coziness. Whether you’re lounging at home, running errands, or enjoying outdoor activities, this versatile sweatshirt is a wardrobe essential for any season.