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| Subject | English | Slovak |
| coal., met. | ash content | obsah popola |
| chem. | ash-free filter paper | bezpopolový filtračný papier |
| chem. | ashing crucible | spaľovací téglik |
| environ. | closure of ash field | zatvorenie úložiska popola |
| agric., chem. | conductivity ash | vodivostný popol |
| chem. | crude ash | popol |
| environ. | fly ash Finely divided particles of ash that are entrained in flue gases resulting from the combustion of fuel or other material. The particles of ash may contain incompletely burned fuel and other pollutants | polietavý prach (popolček) |
| chem., met., mech.eng. | pearl ash rare | potaš |
| forestr. | percentage of ash | percentuálny podiel popola |
| chem. | total ash | celkový popol |
| transp., avia. | volcanic ash advisory centre | poradné stredisko o oblakoch sopečného popola |