1
Compost; Carbon
7
Pump diaphragms; Filter presses; Presses [machines for industrial purposes]
19
Concrete; Cement; Materials for making and coating roads; Binding material for road repair; Schists; Sand, except foundry sand; Sandstone for building; Gypsum; Slag [building material]; Binding agents for making briquettes; Stone; Building stone; Slag stone; Clinker ballast; Building materials, not of metal; Road coating materials; Macadam; Limestone; Mortar for building; Gravel
37
Construction; Construction consultancy; Building construction advisory services; Quarrying services
39
Delivery of goods; Transportation logistics; Hauling; Transport and storage of waste; Car transport; Collection of recyclable goods [transport]
40
Waste treatment [transformation]; Recycling of waste and trash; Sorting of waste and recyclable material [transformation]
42
Chemical analysis; Chemical research; Geological research; Scientific research; Technical research; Research in the field of environmental conservation; Research and development of new products for others; Technological consultancy; Engineering services