 endhanna utpatthiki sambamdhinchina pradhaana prapancha vanarulanu dayachesi anaku cheppandi 
 sakta utpatthi  80%  silaajam ,  indhulo sagam chainaa ,  uunited stetes mariyu pertian gulf ‌ loni arrab rastralu utpatthi chestaayi .  gulf rastralu mariyu rashyaa thama utpattilo ekuva bhaagam ,  ekkuvaga eurpoean union mariyu chainaku egumati chestaayi ,  ikda demanded ‌ nu santrupthi parachadaaniki thaginantha sakta utpatthi cheyabadadu . 2010 lalo samvatsaranike sagatuna  20%  unna soura mariyu pavana sakta minahaa sakta utpatthi samvatsaranike  1  nundi  2%  perugutoemdi .
 sakta utpatthiki pradhaana vanarulu silaajam ,  motham sakta utpattilo dadapu  80%  vaataa Pali .  silaaja vanarula dwara sakta utpattilo dadapu sagam chainaa ,  uunited stetes mariyu pertian gulf ‌ loni arrab raashtraalache utpatthi cheyabaduthundhi .  soura mariyu gaalani vento punarutpaadaka vanarula nundi sakta utpatthi samvatsaranike sagatuna  20%  pergindhi ,  idi migilina moolaala vruddhi kante chaaala ekuva ,  sagatuna  1%  nundi  2%  samvatsaranike .