; (iii) by striking supply, and and inserting supply, ; and (iv) by striking the period at the end and inserting , and smart glass (including electrochromic glass). ; and (G) by adding at the end the following: (S) acquisition of advanced digital construction management systems and related technology used in the planning, design and engineering, construction, and maintenance of airport facilities when such systems or technologies are acquired to carry out a project approved by the Secretary under this subchapter. (T) improvements, or planning for improvements (including monitoring equipment or services), that would be necessary to sustain commercial service flight operations or permit the resumption of such flight operations following a natural disaster (including an earthquake, flooding, high water, wildfires, hurricane, storm surge, tidal wave, tornado, tsunami, wind driven water, sea level rise, tropical storm, cyclone, land instability, or winter storm) at— (i) a primary airport