| |||
| bulb; shell; tank; tube | |||
| iron filament ballast tube | |||
| |||
| agitation; stirring | |||
|
Roehre : 109 phrases in 10 subjects |
| Agriculture | 1 |
| Earth sciences | 3 |
| Electronics | 4 |
| General | 2 |
| Health care | 2 |
| Industry | 2 |
| Medical | 5 |
| Metallurgy | 1 |
| Natural sciences | 1 |
| Technology | 88 |