; (6) develop recommendations for better coordinating actions by government, educational institutions, and businesses to support workforce growth in the aviation maintenance industry; and (7) develop recommendations for addressing the needs for government funding, private investment, equipment for training purposes, and other resources necessary to strengthen existing training programs or develop new training programs to support workforce growth in the aviation industry. (d) Report Not later than 1 year after the date of enactment of this Act, the Comptroller General shall submit to the Committee on Transportation and Infrastructure of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate a report on the results of the study. (e) Definitions In this section, the following definitions apply: (1) Aviation maintenance industry The term aviation maintenance industry means repair stations certificated under part 145 of title 14, Code of Federal Regulations. (2) Technical worker The term technical worker means an individual authorized under part 43 of title 14, Code of Federal Regulations, to maintain, rebuild, alter, or perform preventive maintenance on an aircraft, airframe, aircraft engine, propeller, appliance, or component part or employed by an entity so authorized to perform such a function. 315. Critical airfield markings Not later than 180 days after the date of enactment of this Act, the Administrator of the Federal Aviation Administration shall issue a request for proposal for a study that includes— (1) an independent, third party study to assess the durability of Type III and Type I glass beads applied to critical markings over a 2-year period at not fewer than 2 primary airports in varying weather conditions to measure the retroreflectivity levels of such markings on a quarterly basis