 |
| |||
| quartz powder | |||
| silica powder; quartz; silica fume (на 97-99% состоит из свободной двуокиси кремния akimboesenko) | |||
| quartz dust; silica dust | |||
| silicon dioxide dust | |||
| кварцевая пыль: 3 phrases in 3 subjects |
| Medical appliances | 1 |
| Mining | 1 |
| Road works | 1 |
|
| |||
| quartz powder | |||
| silica powder; quartz; silica fume (на 97-99% состоит из свободной двуокиси кремния akimboesenko) | |||
| quartz dust; silica dust | |||
| silicon dioxide dust | |||
| кварцевая пыль: 3 phrases in 3 subjects |
| Medical appliances | 1 |
| Mining | 1 |
| Road works | 1 |