Сutting machine /ˈkʌtɪŋ məˈʃiːn/ – a mining machine that opens a shaft into a layer of minerals (mostly coal) underground. This makes it easier to demolish the remaining sections of the Vrub layer by mechanical means or explosives.
Ex: A cutting machine in the context of mining can refer to various types of equipment used to physically cut or excavate material from a mining site.