971WorkPT2017-10-24 14:46:45BT686Sound effectsTTNT1039Agriculture, extractionPTNT990Construction, building sitesPTNT1048Domestic work, household appliancesPTNT1030Forestry, wood processingPTNT995Heavy industry, factoriesPTNT972IT, computers, space aviationPTNT979Machinery, equipmentPTNT1017officesPTNT1020Services, shops, institutionsPTNT1006Small industry, warehousesPT