a man is working on a circuit board a man is working on a circuit board a man is working on a circuit board a man working on a circuit board in a laboratory a man working on a circuit board in a laboratory a man is working on a circuit board a man is working on a circuit board a man is working on a circuit board a man working on a circuit board in a laboratory a man working on a circuit board in a laboratory a man working on a circuit board in a laboratory a man is working on a circuit board a man is working on a circuit board a man working on a circuit board in a laboratory a man working on a circuit board in a laboratory a man is working on a circuit board a man working on a circuit board in a laboratory a man is working on a circuit board a man is working on a circuit board a man is working on a circuit board a man working on a circuit board in a laboratory a man working on a circuit board in a laboratory a man is working on a circuit board a man is working on a circuit board a man is working on a circuit board a man is working on a circuit board a man working on a circuit board in a laboratory a man is working on a circuit board a man working on a circuit board in a laboratory a man is working on a circuit board
A man looking at a motherboard chip with curiosity. A man holds a circuit board and examines it intently.  an engineer stares a a board trying to figure out it's use. A man testing the component of a machine so he can fix it. Man holding up a green computer piece in front of a computer. 