The technical meaning of maintenance includes the servicing, repair or replacement of necessary devices, equipment, machinery, building infrastructure and industrial, business and residential installations.
Technology is the application of conceptual knowledge to achieve practical goals, especially in a reproducible way.[1] The word technology can also mean the products resulting from such efforts,[2][3] including both tangible tools such as utensils or machines, and intangible ones such as software. Technology plays a critical role in science, engineering, and everyday life.
Technological advancements have led to significant changes in society. The earliest known technology is the stone tool, used during prehistoric times, followed by the control of fire,
නඩත්තු කිරීමේ තාක්ෂණික අර්ථයට අවශ්ය උපාංග, උපකරණ, යන්ත්රෝපකරණ, ගොඩනැගිලි යටිතල පහසුකම් සහ කාර්මික, ව්යාපාරික සහ නේවාසික ස්ථාපනයන්හි ආධාරක, සේවා සැපයීම, අලුත්වැඩියා කිරීම හෝ ප්රතිස්ථාපනය කිරීම ඇතුළත් වේ.