flowchart TB block3748extraction-of-crude-petroleum["Extraction of crude petroleum"] --> block3883manufacture-of-refined-petroleum-products["Manufacture of refined petroleum products"] block3883manufacture-of-refined-petroleum-products["Manufacture of refined petroleum products"] --> block4251wholesale-of-wood-construction-materials-and-sanitary-equipment["Wholesale of wood, construction materials and sanitary equipment"] block4251wholesale-of-wood-construction-materials-and-sanitary-equipment["Wholesale of wood, construction materials and sanitary equipment"] --> block4187roofing-activities["Roofing activities"] block4173demolition["Demolition"] --> block4143collection-of-non-hazardous-waste["Collection of non-hazardous waste"] block4143collection-of-non-hazardous-waste["Collection of non-hazardous waste"] --> block4150recovery-of-sorted-materials["Recovery of sorted materials"] block4143collection-of-non-hazardous-waste["Collection of non-hazardous waste"] --> block4146treatment-and-disposal-of-non-hazardous-waste["Treatment and disposal of non-hazardous waste"] block4150recovery-of-sorted-materials["Recovery of sorted materials"] --> block4162construction-of-roads-and-motorways["Construction of roads and motorways"] block4162construction-of-roads-and-motorways["Construction of roads and motorways"] --> block4173demolition["Demolition"] block4251wholesale-of-wood-construction-materials-and-sanitary-equipment["Wholesale of wood, construction materials and sanitary equipment"] --> block4162construction-of-roads-and-motorways["Construction of roads and motorways"] block4159construction-of-residential-and-non-residential-buildings["Construction of residential and non-residential buildings"] --> block4173demolition["Demolition"] block4150recovery-of-sorted-materials["Recovery of sorted materials"] --> block4159construction-of-residential-and-non-residential-buildings["Construction of residential and non-residential buildings"] block4143collection-of-non-hazardous-waste["Collection of non-hazardous waste"] --> block4153remediation-activities-and-other-waste-management-services["Remediation activities and other waste management services"] block4187roofing-activities["Roofing activities"] --> block4159construction-of-residential-and-non-residential-buildings["Construction of residential and non-residential buildings"] block4187roofing-activities["Roofing activities"] --> block4162construction-of-roads-and-motorways["Construction of roads and motorways"] block3953manufacture-of-other-non-metallic-mineral-products-nec["Manufacture of other non-metallic mineral products n.e.c."] --> block4251wholesale-of-wood-construction-materials-and-sanitary-equipment["Wholesale of wood, construction materials and sanitary equipment"] block3760operation-of-gravel-and-sand-pits-mining-of-clays-and-kaolin["Operation of gravel and sand pits; mining of clays and kaolin"] --> block3953manufacture-of-other-non-metallic-mineral-products-nec["Manufacture of other non-metallic mineral products n.e.c."] block3760operation-of-gravel-and-sand-pits-mining-of-clays-and-kaolin["Operation of gravel and sand pits; mining of clays and kaolin"] --> block3883manufacture-of-refined-petroleum-products["Manufacture of refined petroleum products"] block3765other-mining-and-quarrying-nec["Other mining and quarrying n.e.c."] --> block3883manufacture-of-refined-petroleum-products["Manufacture of refined petroleum products"] block3748extraction-of-crude-petroleum["Extraction of crude petroleum"] --> block3953manufacture-of-other-non-metallic-mineral-products-nec["Manufacture of other non-metallic mineral products n.e.c."] block3765other-mining-and-quarrying-nec["Other mining and quarrying n.e.c."] --> block3953manufacture-of-other-non-metallic-mineral-products-nec["Manufacture of other non-metallic mineral products n.e.c."] block3883manufacture-of-refined-petroleum-products["Manufacture of refined petroleum products"] --> block4278retail-sale-of-hardware-paints-and-glass-in-specialised-stores["Retail sale of hardware, paints and glass in specialised stores"] block3953manufacture-of-other-non-metallic-mineral-products-nec["Manufacture of other non-metallic mineral products n.e.c."] --> block4278retail-sale-of-hardware-paints-and-glass-in-specialised-stores["Retail sale of hardware, paints and glass in specialised stores"] block4278retail-sale-of-hardware-paints-and-glass-in-specialised-stores["Retail sale of hardware, paints and glass in specialised stores"] --> block4675undifferentiated-service-producing-activities-of-private-households-for-own-use["Undifferentiated service-producing activities of private households for own use"] block4675undifferentiated-service-producing-activities-of-private-households-for-own-use["Undifferentiated service-producing activities of private households for own use"] --> block4143collection-of-non-hazardous-waste["Collection of non-hazardous waste"] block4278retail-sale-of-hardware-paints-and-glass-in-specialised-stores["Retail sale of hardware, paints and glass in specialised stores"] --> block4187roofing-activities["Roofing activities"]