| |||
spiral-four quad | |||
star-quad | |||
spiral-four quad (кабельная техника) | |||
star quad |
четвёрка звёздной скрутки : 12 phrases in 8 subjects |
Cables and cable production | 2 |
Communications | 2 |
Electronics | 2 |
Mass media | 2 |
Military | 1 |
Technology | 1 |
Telecommunications | 1 |
Transport | 1 |