Spanish | English | |
---|---|---|
Chemistry | ||
Chemistry | capa de roca dura [f] | shell |
Mining | ||
Mining | capa de roca dura | shell |
Spanish | English | |
---|---|---|
Geology | ||
Geology | brecha en capa de roca dura [f] | shell breccia |
Mining | ||
Mining | capa de roca dura y barrena [f] | shell and auger |