| |||
| microcontaminants; microcomponents; trace elements | |||
| |||
| location line | |||
| |||
| trace metal | |||
|
element de trace : 8 phrases in 5 subjects |
| Earth sciences | 1 |
| Environment | 1 |
| Information technology | 1 |
| Natural resourses and wildlife conservation | 3 |
| Textile industry | 2 |
| |||
| microcontaminants; microcomponents; trace elements | |||
| |||
| location line | |||
| |||
| trace metal | |||
|
element de trace : 8 phrases in 5 subjects |
| Earth sciences | 1 |
| Environment | 1 |
| Information technology | 1 |
| Natural resourses and wildlife conservation | 3 |
| Textile industry | 2 |