Until mining firms ramp up production, innovation seems like a smart solution.

在矿业公司提升产量之前，似乎只有技术革新才是聪明的解决之道。

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Many mining venture build an anti-horizontal ramp as the subservient tunnel besides the main shaft. They use large tram to carry equipment and staff through the ramp.

很多矿山和大型企业在主运输巷道外单独修建一条负水平的斜坡道作为辅助运输巷道，利用大型矿用胶轮车通过井下斜坡道运送设备、人员。

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"We are working to build a ramp to keep on removing the rubble from the collapse, " regional mining secretary Mauricio Pino Sid said on Twitter.

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