Physical-Mechanical Properties of Waterproofing Materials Applied to Roofs in the Context of UV Degradation The Pressure Resistance of Odor Traps for Sanitary Appliances and their Impact on the Hygiene of an Indoor Environment Detection of Changes in Evapotranspiration on a Catchment Scale Under Changing Climate Conditions in Selected River Basins of Slovakia Redesign of an Intake Fish Pass Structure Comparative Study of Lightweight Concretes Based on Hemp and Flax Straw The Potential and Implications of Automated Pre-Processing of LiDAR-Based Digital Elevation Models for Large-Scale Archaeological Landscape Analysis The Compaction of Energy and Properties of Roller-Compacted Concrete Pavement with Fillers The Effectiveness of the Implementation of Research Results in a Technological Scheme of Water Purification