Better bits for the TBM cutters?

A new strategic partnership promises to transform tunnel development technology. The recently announced collaboration introduces a novel diamond-enabled cutting system designed to enhance tunnel development speed, reduce costs, and minimize environmental impact across the mining, infrastructure, transportation, and energy sectors.

https://www.canadianminingjournal.com/featured-article/revolutionizing-tunnel-development-synthetic-diamond-technology-for-mining-and-infrastructure-applications/