rr <rr@rr.rr> Wrote in message:r > On 2026-02-05 15:30, foonia wrote:> Degintas molis isskiria radona kaip ir kokia uolienos tojios kaip granitas (skalda), google it.Ir kiek m3 per metus išskiria 1m3 uolienos? Nu pvz.: The results indicated that the average radon concentration for all building materials was 291 Bq/m3. Granite showed the highest radon level, with an average concentration of 506 Bq/m3. -- foonia ----Android NewsGroup Reader---- https://piaohong.s3-us-west-2.amazonaws.com/usenet/index.html