; (4) any recommended devices and methods for communication on the airport ramp, including considerations of requirements for operable radios and headsets; (5) a review of markings on the airport ramp that define restriction, staging, safety, or hazard zones, including markings to clearly define and graphically indicate the engine ingestion zones and envelope of safety for the variety of aircraft that may park at the same gate of the airport; (6) a review of aircraft jet blast and engine intake safety markings, including incorporation of markings on aircraft to indicate engine inlet danger zones; and (7) a process for stakeholders, including airlines, aircraft manufacturers, airports, labor, and aviation safety experts, to provide feedback and share best practices. (c) Report and actions Not later than 180 days after the conclusion of the Call to Action safety review pursuant to subsection (a), the Administrator shall— (1) submit to the appropriate committees of Congress a report on the results of the review and any recommendations for actions or best practices to improve airport ramp worker safety, including the identification of risks and possible ways to mitigate such risks to be considered in any applicable safety management system of air carriers and airports; and (2) initiate such actions as are necessary to act upon the findings of the review. (d) Training materials Not later than 6 months after the completion of the safety review required under subsection (a), the Administrator shall develop and publish training and related educational materials about aircraft engine ingestion and jet blast hazards for ground crews, including supervisory and contract employees, that includes information on— (1) the specific dangers and consequences of entering engine ingestion or jet blast zones; (2) proper protocols to avoid entering an engine ingestion or jet blast zone