| |||
feed hole | |||
location holes; pilot punch | |||
center holes; feed holes; guide holes; sprocket holes; centre holes (на перфоленте) |
ведущая перфорация: 9 phrases in 5 subjects |
Automated equipment | 1 |
Communications | 1 |
Information technology | 3 |
Polygraphy | 2 |
Technology | 2 |