Nowadays, since every sort of technology is getting larger each year, we got a lot of alternatives to use, if we want our existence to be much easier. In that situation, we are trying useful mobile apps, and even try good software into our office.
Mine business is very common in Poland, under the surface mines are still finding plenty of coal. And since several decades a lot things have modify in this field, work underground is far safer, because of the hi-tech equipment.