| A. |
Granite, marble, sandstone, limestone, quartzite quarrying and
cutting |
| B. |
Rocks
pre-splitting, fracture, cutting, demolishing and removal |
| C. |
Controlled
demolition or cutting concrete when explosives not allowed |
| D.
|
Fracture
and demolition of the concrete buildings and structures |
| E. |
Rocks cutting for road construction |
| F. |
Excavation of trenches and foundations |
| G. |
Underground
excavations and removing boulders |
| H. |
Marine
excavations including underwater operations |
