Pada saat coal getting harus ada si

Pada saat coal getting harus ada sisa ketinggian lapisan batubara dengan lapisan tanah / batuan penutup ( OB ) sekitar 30 – 50 cm . Hal ini perlu diperhatikan untuk mencegah lapisan batubara terkotori oleh material sekitarnya atau terinjak oleh kenderaan atau alat berat.

Hasil (Inggris) 1:

At the time of the coal getting there must be the rest of the height of the coal layer with a layer of soil/rock cover (OB) around 30 – 50 cm. It should be noted to prevent coal layers of distortion by surrounding material or trampled by vehicle or heavy equipment.

Hasil (Inggris) 2:

At the time of getting coal to be there the rest of the height of the coal seam with a layer of soil / overburden (OB) of about 30-50 cm. This needs to be taken to prevent coal seam contaminated by the surrounding material or trampled by vehicles or heavy equipment.