Tokyo Olympic volunteers, likely to work under blazing heat, will have a maximum of one-hour shifts, with a plan to create a manual to help on-site leaders to determine break times, officials said Monday.The Tokyo metropolitan government's decision comes as it formulated its basic policy on heat countermeasures and spectator guidance for the 2020 Games, based on the results of simulations conducted this summer at various test events.The potentially deadly heat has been a major headache for organizers of the Tokyo Olympics and Paralympics, as temperatures regularly top 30 C in July and Augus…READ FULL ARTICLE