???? ?????? ?? ??????? ?? ???? ????? ????? ?????? ??????? ?????? ?? ???? ????? ?? ???? ?? ??? ??????? ????????? ???? ??? ??????? ?????? ?? ??? ?? ???? ????? ?? ???? ?? ??? ??? ??? ???? ??????? ?????? ???????? ??????.
???? ?????? ?? ??????? ?? ???? ????? ????? ?????? ??????? ?????? ?? ???? ????? ?? ???? ?? ??? ??????? ????????? ???? ??? ??????? ?????? ?? ??? ?? ???? ????? ?? ???? ?? ??? ??? ??? ???? ??????? ?????? ???????? ??????.
?????? ??? ?????? ???????? ?????? ??????? ???? ????? ??? ???? ?????? ????? ????? ??????? ?????? ??????? ????????? ?? ??? ??????? ?????? ??????? ?? ???? ?????? ????? ????????? ?????? ????? ???????. ??? ????? ????? ???? ?????? ????? ?????? ???????? ?????????? ???????? ???????? ?????? ??????? ???? ?? ????? ??? ????? ??? ?? ???? ???????.
???? ???? ??????? ????? ??? ???? ?????? ?????? ????? ?????? ??????????? ??????? ????? ??????? ??????? ?????? ??????? ????????? ?????? ???? ???? 2 ????? ???? ?? ?????? ????? ?????????? ????? ??????? ????? ?? ????? ???? ????????? ????? ???? ?????? ?????? ???? ???? ??????????? ???? ??? ????? ???? ????? ?????? ????? ??? ???? ??? ????? ????? ???? ?? ????? ??????? ??????? ?????? ??????.
????? ???? ????? ???????? ???? ???????? ?????? ??????? ?????? ??????? ?????? ?? ??????? ?????? ???????? ???????? ?????? ????????? ??? ?????? ??????? ?????? ??????? ???????. ????? ??? ????? ??? ????? ??????? ????? ?????? ?? ????? ????? ???? ?????? ?? ??? ????? ????? ????? ?????? ?????? ????? ?????? ?????? ?? ???? ?? ???? ??????.
???? ???? ??????? ?????? ???? ????? ??????? ??? ????? ??????? ?????? ??????? ?????????? ??????? ????? ?? ????? ??? ???? ????????? ??? ???? ?????? ??????? ??????? ??? SLM/SLS? ?????? ????? ???????? ????????? ??????? SLA? ??? ??? ???? ????? ??? ??? ?? ????? ???????? ???????? ?????? ?????? ????????? ??????? ?????? ?? ????????? ???? ??????? ??????? ??????? ??????? ??? ?????? ???????? ?????? ??????? ??????? ????????? ?????? ?????? ??????? ??????? ??????? ?????? ?????????? ?????? ?????? ???????? ??????? ????? ?????? ?? ??????.
???? ???? ???? ??????????? ??? ????? ???????? ?????? ??????? ????? ?????????? ???????? ?????? ???? ?????? ??????? ????? ??????? ????? ???? 5000 ??? ??????? ???????? ???????? ??? ???? ???? ?? ?????? ??? ?????? ?????? ?????? ???????? ??????? ??????? ??????? ??? ??? ???? ??? ???? ???? ?????? ?????????? ??????? ????? ????? ?? ???????.
??? ???? ????? ???????? ?? ????? ???????? ??????? ????? ??????? ???? ????? ?? 50 ?????? ?? ????? ???? ???????? ????? ????????? ????? ?????? ??????? ???? ???? ?? ???????? ??????? ????? ????? ????????? ???????. ???? ??? ????? ?????? ??? ??? ?????.
???? ???? ?????? ??? ?? ????? ???. ???? ????? 70 ??????? ????? ????? ?????? ????????? 24,614 ????? ??????? ?????? ????? ????? ???? ???? 20,000 ?? ?? ????? ????? ?????????? ???????? ??????? ?????.
?? ???? ?? ???? ????? ??? ?????? ??????? ???? ?? ???? ???? ?????? ?? ????? ?? ???? ???? ??? ???? ???????? ??????? ???????? ??????? ????? ?????? ??????? SLS ???????! ???? ??? ????? ?? ????????? ????? ???? ?????? ??????????.
Arabic 
Chinese 
English 
Russian 
Turkish 
Japanese 
Korean