Excaving tras

The excavation of tras (volcanic rock undergoing chemical changes due to weathering and underground water conditions).

Excavation of floating stone

The excavation of pumice (a type of rock that is brightly colored, contains foam made of glass-walled bubbles, and is commonly referred to as silicate glass volcanic rock)

Penggalian batu, pasir dan tanah liat lainnya

The excavation of stone, sand and other clay, which is not classified in the 08101 - 08108 group. Excavation activities that fall into this group include excavating slate or slate, diorite, basalt, breccia, and others.

Excaving sand

The efforts of excavating, cleaning and separating sand. The results of sand excavation are in the form of concrete sand, tidal sand (containing little soil), uruk sand (containing lots of soil) and others

Excavation of soil and clay

The excavation of soil and clay. Activities of forming, crushing and milling that cannot be separated administratively from the excavation of soil and clay are included in this group. The results of excavating soil and clay or clay include kaolin (china clay), ball clay (firing clay), earth ash, shale and landfill.

Excaving gips

The plaster excavation business. Cast cleaning, refining and polishing activities that cannot be administratively separated from the plaster excavation business are included in this group.

Excavation of ornamental stone and building stone

The excavation of decorative stones and building stones, such as marble or marble, split stone (elephant stone, base course, crushed stone), sand, obsidian, andesite and granite. The activities of breaking, cleaning, transporting and selling, which cannot be separated administratively from the excavation of decorative stone and buildings, are included in this group.

Excavation of chalk or gamping stone

The excavation of limestone or limestone. Activities of breaking, crushing, screening and refining, including transportation and sales that cannot be administratively separated from the limestone or limestone quarrying business, are included in this group.

Excavation of gravel (circle)

Excavation, cleaning and gravel separation efforts. The results of extracting gravel include sandstone, hard lumps and sand gravel