pulp and sawmill services;
sawing of timber;
sawmill services;
sawmilling;
timber felling and processing;
treatment of agricultural, horticultural and forestry products;
treatment of forestry products including cutting, sawing, milling, filling, processing, chipping, planing, moulding, laminating;
treatment of forestry products to produce timber products;
treatment of timber materials;
treatment of timber;
treatment of wood and timber products;
treatment of wood and timber;
wood drying;
consultancy, advisory and information services relating to the foregoing
Purification, in relation to the following goods: dehydration systems, especially surface drainage installations, infiltration ditches, rainwater utilisation installations, waste water pump stations, backwater protection, pumping stations, sedimentation and filter installations, wet waste disposal systems and waste water cleaning installations, in particular light liquid and grease separators;
purification, in relation to the following goods: window systems and light shafts, especially flood protection cellar window systems and light shafts.