flowchart TB block4137water-collection-treatment-and-supply["Water collection, treatment and supply"] --> block3932manufacture-of-bricks-tiles-and-construction-products-in-baked-clay["Manufacture of bricks, tiles and construction products, in baked clay"] block3760operation-of-gravel-and-sand-pits-mining-of-clays-and-kaolin["Operation of gravel and sand pits; mining of clays and kaolin"] --> block3932manufacture-of-bricks-tiles-and-construction-products-in-baked-clay["Manufacture of bricks, tiles and construction products, in baked clay"] block4150recovery-of-sorted-materials["Recovery of sorted materials"] --> block4159construction-of-residential-and-non-residential-buildings["Construction of residential and non-residential buildings"] block4150recovery-of-sorted-materials["Recovery of sorted materials"] --> block4162construction-of-roads-and-motorways["Construction of roads and motorways"] block4143collection-of-non-hazardous-waste["Collection of non-hazardous waste"] --> block4146treatment-and-disposal-of-non-hazardous-waste["Treatment and disposal of non-hazardous waste"] block4143collection-of-non-hazardous-waste["Collection of non-hazardous waste"] --> block4150recovery-of-sorted-materials["Recovery of sorted materials"] block4173demolition["Demolition"] --> block4143collection-of-non-hazardous-waste["Collection of non-hazardous waste"] block3929manufacture-of-refractory-products["Manufacture of refractory products"] --> block4251wholesale-of-wood-construction-materials-and-sanitary-equipment["Wholesale of wood, construction materials and sanitary equipment"] block3932manufacture-of-bricks-tiles-and-construction-products-in-baked-clay["Manufacture of bricks, tiles and construction products, in baked clay"] --> 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"] --> block3929manufacture-of-refractory-products["Manufacture of refractory products"] block4137water-collection-treatment-and-supply["Water collection, treatment and supply"] --> block3929manufacture-of-refractory-products["Manufacture of refractory products"] 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"] block4251wholesale-of-wood-construction-materials-and-sanitary-equipment["Wholesale of wood, construction materials and sanitary equipment"] --> block4159construction-of-residential-and-non-residential-buildings["Construction of residential and non-residential buildings"] block4251wholesale-of-wood-construction-materials-and-sanitary-equipment["Wholesale of wood, construction materials and sanitary equipment"] --> block4278retail-sale-of-hardware-paints-and-glass-in-specialised-stores["Retail sale of hardware, paints and glass in specialised stores"] block4673undifferentiated-goods-producing-activities-of-private-households-for-own-use["Undifferentiated goods-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"] --> block4673undifferentiated-goods-producing-activities-of-private-households-for-own-use["Undifferentiated goods-producing activities of private households for own use"] block4188other-specialised-construction-activities-nec["Other specialised construction activities n.e.c."] --> block4173demolition["Demolition"] block4251wholesale-of-wood-construction-materials-and-sanitary-equipment["Wholesale of wood, construction materials and sanitary equipment"] --> block4188other-specialised-construction-activities-nec["Other specialised construction activities n.e.c."] block4278retail-sale-of-hardware-paints-and-glass-in-specialised-stores["Retail sale of hardware, paints and glass in specialised stores"] --> block4188other-specialised-construction-activities-nec["Other specialised construction activities n.e.c."] block4159construction-of-residential-and-non-residential-buildings["Construction of residential and non-residential buildings"] --> block4173demolition["Demolition"] block4278retail-sale-of-hardware-paints-and-glass-in-specialised-stores["Retail sale of hardware, paints and glass in specialised stores"] --> block4159construction-of-residential-and-non-residential-buildings["Construction of residential and non-residential buildings"] 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"] --> block4164construction-of-bridges-and-tunnels["Construction of bridges and tunnels"] block4164construction-of-bridges-and-tunnels["Construction of bridges and tunnels"] --> block4173demolition["Demolition"]