| |||
firing box | |||
blasting machine; exploder; break-flash apparatus; spark test apparatus | |||
spark gap | |||
protective spark gap | |||
spark-gap |
explosor : 17 phrases in 7 subjects |
Antennas and waveguides | 1 |
Automated equipment | 1 |
Communications | 4 |
Electronics | 7 |
General | 1 |
Measuring instruments | 2 |
Technology | 1 |