TTOJ

Computers; automatic electrical distribution apparatus; scales; folding rulers; electronic notice boards; antennas; electrical inductors; optical glasses; electric wires; resistance wires; integrated circuits; electrical transformers; lightning arresters; sprinkler systems for fire protection; fire extinguishers; bullet-proof vests; protective clothing; fire alarms; solar cells; exposed camera film; smoke detectors; eyeglasses; electric flat irons