|
|
|
|
Producer • Phosphorus-Phosphates
|
Occurrence • Boron-Borates
|
Producer • Phosphorus-Phosphates
|
|
|
|
|
Producer • Phosphorus-Phosphates
|
|
|
|
|
|
|
|
|
|
|
|
|
Producer • Phosphorus-Phosphates
|
|
|
|
|
Plant • Phosphorus-Phosphates
|
Plant • Chromium, Ferrochrome
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Producer • Phosphorus-Phosphates
|