Limestone is one of the most valuable minerals in Latvia, with the most extensive use in the national economy. In construction – no real house is built without lime. In agriculture, so that the soil can be fruitful for a long time and do not drown even at intensive farming, it must be crippled. In livestock farming – calcium is needed for animal health, productivity and productivity – both for cattle and for chickens. In the food and hygiene industry – creams, vitamins and even cakes on the birthday table.