Ключевые слова:
Doors, Windows, Shutters (buildings), Curtain walling, Grilles, Anti-burglar measures, Crime prevention devices, Roller shutters, Folding shutters, Components, Construction systems parts, Mechanical testing, Strength of materials, Dynamic loading, Loading, Dynamic testing, Mechanical properties of materials, Performance testing, Impact testing, Test equipment, Test specimens, Specimen preparation, Testing conditions, Dimensions