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About HUB Industry Portal

The HUB 4 website is an online directory which provides company and product information within the Quarrying, Recycling & Bulk Materials Handling Industries.

Drilling And Blasting

An operation performed after face profiling has been completed. Shot holes are dilled at specific positions indicated by the profile. The explosives are then loaded in the hole with detonator cord to within a few metres from the top. The remaining depth i?????????????????????????????????????????????????????????????