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Abstract: We propose a collision avoidance architecture for excavators that satisfies fault tolerance by in-machine and on-site detection. Safety on construction sites is essential to avoid fatal ...

China has banned exports of some rare earth elements and other items to Japan that could be used for military purposes, straining already tense relations between the two countries following the ...

Maduro’s arrest raises fresh uncertainty over who controls Venezuela’s oil and how exports are managed. Chevron is best positioned if sanctions ease, but reviving production would take years and ...