Stone Quarrying: Tools,Materials and Process of Blasting ...
Tools for Blasting: Following tools are required in the process of blasting: (1) Dipper: ADVERTISEMENTS: This is shown in fig. 25 and it is used to drill a hole to the required depth. (2) Jumper: This is shown in fig. 26 and it is used to make blast holes. It is more effective in boring a nearly vertical hole. (3) Priming Needle: