Hammers play a very important role in mine construction . Mine Construction involves digging , drilling and blasting underground to extract mineral resources . In these links , the whole hammer has become a necessary tool. It can be used to grill and excavate materials such as rock, coal and metal ore, and it can achieve high efficiency , precision and safety in confined underground spaces and harsh working conditions. In addition, hammers are often used for tunneling and construction of underground engineering facilities to ensure the stability and safety of these structures. Therefore , the whole hammer is one one the indispensable hardware equipment for mine construction.