<p>➀ The UK and Japan plan to sign a nuclear fusion collaboration agreement on Thursday, targeting a viable technology demonstration by the 2030s;</p><p>➁ Japan will contribute its manufacturing expertise, while the UK provides remote robotics capabilities for nuclear facilities and fusion reactor management;</p><p>➂ Both nations previously collaborated on Fukushima's decommissioning using robots, and UK's Tokamak Energy recently established a subsidiary in Tokyo to advance fusion research.</p>