Summary: ???? ???????? ??? ??? ??? ?? ??????? ?? ??? ???? ???????? ????? ??? ????? ????? ???????? ?????? ?? ???? ??? ?????? ?? ??? ????? ???? ???? ?????? ???? ??? ????????? ???? ???....
?????? ?????? ???? ?? ???? ?? ???
??????????? (?????? ???????? ????????? ?? ???? ????? ??) ?? ??? ????????, ?? ??? ?????? ???? ???? ????? ??????? ?????? ??? ??? ?? ??? ????? ?? ??? ????????? ????? ???? ??, ??? ??? '?? ??????, ???, ????? ???? ??? ??? ???? ?????? ?? ???????? ??? ?? ?? ??? ??????????? ???? ??????, ????-??????? ??? ?? ???? ???????-?????? ??? ???
???? ????? ??????
?? ????? ?????? ?????? ??? ????? ???? ??? ??? ????? ???? ??, ???? ?? ??????? ??? (????) ???? ????? ???? ?? ???? '??, ??? ???? ?????? ??? ??? ??? ??????? ???? ????? ??, ??? ????, ??? ??? ???? ??? ?? ??? ???? ????? ???? ???
???-??? ????? ???????? ????-???? ????? ??? ??? ??? ?????? ???? ??? ??????? ??: ???-???? ?????? ???? ????? ???????? ????? ??? ??????? ??, ???? ???-???? ???? ???? ????? ?? ??? ???? ???? ??? ?????? ??? ??? ????? ??? ??????????? ??????? only ???? ????? ?? ???? ?????? ???? ???? ??? ?????
???? ??????? ?????? ???
- ????? ???? 25 ??.??. (???? ????? ?????, ???? ???)
- ????? ???? 2–25 mm (conventional jig, spiral chute)
- ???? ????: 0.1–2 mm (shaking table, spiral concentrator)
- Slime: 0.1 ???? ??? ??? (???? ????? ??? ?? ??????????, ?? ??? '?? ?????? ???????? ?????????? ??? ????? ????? ??)
??????????? ????? ??? ?? ?? ???? ?????
????? ??????? ?? ????? ??? ?????? ??? '?? ?????? ??? ??, ??????? ?????? ?????? ?????? ???????? ??:
| ???? | ?????? |
|---|---|
| ???? ??????? ??? | ??????? ?????? ??? ????? (????? ????) ?????? ??? ??? ???? ????????? ??? ???? ?????? ??? ??? ??????? ??? ????? ???? ??? ??????????? ??? ???? ????? ????? ??? |
| Liberation | ????????? ?????? ??? ???? ?????? ??? ????? ??? ????? ????? ???? ???? ?????? ??? ?? ?? ???? ?? ????? ?? ??? '?? ???? ???? ?????? ?? ???? ???????? ?? ??? ??? ???????? ????????? ???? ???? ??? ???????? ????? |
| ???? ???? ???? ?? ???? | ???? ?????? ?? ??? ??????????? ?? ???? ?????, ???? ????? ??? ???? ????? ?????? (???? >0.1 ??.??. ??? 25 ??.??.) ??? ?? ???? ???? ???? (?????, <0.1 ??.??.) ?? ???? ???? ??????? ??? ????? ?? ?????? ?????? ?? ??? ?????? ??? ??? ???? ??? ????? ??? |
???? 3-???? ???????? ??????? ????????
???? ???????? ?????? ???????? ?? ??? '?? ???? ???? ?????? ???? ?????? ????? ??: ?????, ????????? ?????? (??? ?????), ??? ????? ????.
????? ???
????? ??? ?? ???? ???? ??? ?? ?????? ???? ???? ?? ?? ?????? ???????? ?? ??????? ??? ??? ??? ??? ???? ?? ???? ???? ??? ??:
- ??????? ??? ?????: ???? ?????? ???? ????? ?? ??????? ?????? ??? ???? ??? ????? ?????? ??? ?? ?????? ??? ?????? ???? ??????? ???? ????? ???? ???????????? ??? ??????? ?????? ?? ?? ?? ???? ???? ????? ???
- ???? ??? ?????? ????: ?????? ???? ?? ????? ????? ??? ?????? ????????? ?? ???? ??? ????? ??, ????? ???? ????? ?? ??? ?? ?? ??????? ???? ??????? ??? ????? ?? ???, ?? ??????? ?? ???????? ???? ?????? ?? ?????? ??? ?? ???? ?????? ??? ??? ???? ???? ???? ????? ???
- ???????? ??? ???????: ??? ???? ore ??? ???-??? ???? ???? ???????? ???? ????? ????? ?? (????? ???, ???????, ????) ????????? ??? ?????????? ??????? ?? ?????? ?? ??? ?? ??????? ???? ???? ?? ????? ??? ????? ???? ??????????? ??? ??? ??? ????? ???? ????? ???
2. ???? ??????? ??????
?? ???? ??? ?? ????? ????? ?????? ??? ????? ??? ??? ??? '?? ????? ???? ????? ??? ???? ??? ??? ??? ??????? ????? ??? ?????? ??????, ????? ?? ?????, ?????? ?????? ??????, ??????? ??? ??????????? ????????????, ??? ????? ???
?? ?????????:
- ??? ??? ?????: ????, ???? ??? ????? ??? ???? ?????? ??, ??????? ?????? (????? ?? ??? ???) ????? ?? ??????? ???? ???? ?? ???? ???
- ????? ?????? ???? For ores with unevenly disseminated valuable minerals, a multi-stage “stage separation” process is often used. This involves:
- Roughing: ??? ?????? ?? ???? ???? ???? ???? ??????? ??? ????? ?????
- Cleaning: ????? ???? ??? ?????????? ??? ??????? ??? ?? ???? ???? ?????
- Scavenging: ???? ???????? ??? ??? ???? ????? ?????? ??? ?????? ??? ?? ???? ?????
3. ???????? ??? ???????? ????-????????? ???
?? ??? ????? ??????? (?????? ??? ????) ?? ????? ??? ?????? ???
???????? ???????? ?????????
????/ ???? ?????????? ???? ????? ?? ?????? ?????????? ????? ?? ??? ??; ????? ??????? ?????????? ?? ????? ?????? ?? ??? ???????? ?????? ??? ????? ???????? ??????? ?? ??????? ???? ????? ?? ??? ???
??????? ????-????? ??? ?? ????????
????? ??????? ??? ????? ?????? ??? ??? ????? ??? ??? ??? ?? ?????? ?? ???? ??; ????? ??????? ??? ?????? ?????? ???? ??? ???? ????? ?? ??? ????? ?????? ??? ???? ??? ?? ???? ???????? ????????? ????? ???????? ???? ????? ???
???????????? ??????? ?????
????? ?? ???? ?? ??? ??? ??????? ?? ???? ?? ???? '??, ??????? ????? ??? ?? ??? ?? ????? ???? ????????? ???? ?? ???? ??, ??????? ???? ???????, ???? ?????? ????? ???, ??????, ?????? ???? ????, ?????????, ??????????? ????? ???, ??? ????? ??? ??? ??? ???? ??? ?????? ??????, ???? ?????? ????? ???, ??????, ?????? ???? ???? ??? ??????? ?? ??? ??? ??????? ??????? ?? ?? ??????? ???? ????? ???? ???? ??????? ???
???? ???? ? attracts ?? ??? (HMS) / ????? ???? ? attracts ?? ??? (DMS)
???? ???? ?????? ??? ???? ?????? ??? ?? ?? ??? ??? ?????? ?? ????? ???? ?? ??? ?? ??????? ?? ?????? ?? ??????? ?????? ????? ????? ???
????: ???? ????? ????? ???? ?? ???? ???? ??? ?????? ???? ??? ????? ?? (????? ??? '?? ???? ??? ???? ??? ???? ?????????? ??? ???????)? ???? ???? ? Stone ??? ?? ????? ??, ???? ???? ????? ????? ?? ???? ???? ????? ???
?????????? ?? ?? ??? ????: ???? ?? ???? ?????? (???? ????? ????, ???? ?? ???????, ??? ?????? ????? ?????? ??? ???? ???? ??? ???? ????? ??? ?? CapEx ????? ?? ???)?
2. ??? ????????? (??????)
?????? ??? ??????? ???????? ?? ?? ??? ????, ????? ??? ??? ????? ???? ???-??? ???? ?????? ?????? ??? ??? ???? ???
????: ???? ?? ??????? ???? ??? ’?? ????? ????? ??, ???? ??? ???????? ???? ??? ???? (??????? ?? ???) ?? ????? ??????? ??? ’?? ????-???? ????? ??? ???? ???? ???? ?? ???? ???? ?? ??? ??? ???? ????? ?? (???????), ??? ????? ???? ???? ???? ??? ???? ???? ????? ??? ???? ?? ????? ??? ???? ????? ????? ?? ??? ???? ?? ??? ???? ????? ?? ????? ??, ???? ???? ?? ???? ??? ????? ?? ??? ?? ?? ??? ?? ??? ????? ???
?????????? ?? ?? ??? ????: ???-???? ??? ??????-????? ???????? (10 mm ??? 0.5 mm), ?? ??? '?? ???? ??, ??????, ?????? ??? ?????? ??????????? ???? ???? ????? ???
3. ???? ???? ???? ?? ????
???? ???? ???? (??? ?????? ????) ??? ????-???? ?? ???????? ???? ?? ?? ??? ??? ????, ???? ???? ???? ?? ????? ???? ?? ?? ???? ??? '?? ?????? ???? ??? ???? ????? ???
????: ??? ???? ???? ?? ??? ???? ??? ???? ?? ??? ???? ???? ?? ???? ??? ???? ???? ??? ????? ????? ??? ???-???? ???? ?? ???? (???????) ???? ?? ????? ?? ??? ???? ????? ??? ????? ??????? ??? ????? ??? ???? ?????? ??? ???? ?????? ?? ???? ?? ??? ???? ?? ???? ?????? ?? ??? ????? ????? '?? ??? ????? ?? ????? ?? ?????????
?????????? ?? ?? ??? ????: ???? ???? ?? ???? (0.5 ???? ??? ??? 0.037 ????). ?? ?? ?????????? '?? ??? ????? ?????? ?????? ???? ??, ??? ???? ?? ????? ??? ???? ???? ?? ???? ?? ??? ??? ???? ?????? ??????? ?? ?? ??? ?? ???????? ???
4. ?????? ????????????
?????? ????????? ?????? ????? ?? ?? ??? ?????? ?????? ???? ?????? ???? ?? ????? ???? ??, ?? ???????? ?? ?? ??? ??? ???????? ??? ?? ?????? ???? ???
????: ???? ??? ?????? ?? ????? ??? ???? ????? ????? ??? ??? ?????? ?? ???????? ??????? ??????? ???? ????? ??? ?????? ??, ???? ?? ?????? ??? ???? ?????? ?????? ???? ?????? ?? ??? ???? ??? ???? ???? ??? ??? ????? ??? ???? ?? ???-???? ????? ???? ?????? ??? ?????? ?????? ??? ????? ??? ????? ?????? ???? ???? ??????? ??? ?????? ??? ?????, ????? ??? ?????? ??? ???? ????? ???
?????????? ?? ?? ??? ????: ???? ???? ?? ???? (2 ???????? ??? ??? 0.074 ???????? ???) ?????? ?????? ?????? ?? ??? ????? ??, ????? ?? ?????? ???? ???? ???, ???????? ????, ?????, ??? ???? ???? ??????
???? ????? ???????? ??????? ?????
| ???? ?? ??? | ????? ????? ??????? ????? | ???? ????? | ???? ???? | ?????? ??? ??? |
|---|---|---|---|---|
| ??? ????? | 20 ~ 0.5 ???? | ???? Hourly throughput, ??? ??????? ???, ???? ???-???? | ??? ?????? ???? ???? ?? ???????, ???-???? ???? ??? ??? ???????? ???? ?? ????? | ????? ????, ????????, ????? ????,coal ??????? |
| ???? ???? | 2 ~ 0.038 mm | ??????-??? ???? ??, ?????? ????? ????, ???-???????? ????? ??????? | ???? ????? ????? ??????, ???? ???? ?? ????? | ??????, ???, ???? ????? ???? ?? ????, ???? ???? ???? ??? |
| ?????? ?????? ???/?????? ??????? ??? ???? | 1 ~ 0.075 ??.??? | ??????? ?????? ??????? ????? ????, ??? ????? ??? ???? ?? ?????, ?????? ?????? | ??? ?????????? ???? ???? мног?? | ???? ?????, ??????? ??????/??????, ???? ???-???? |
| ???????????? ???????? | 0.074 ~ 0.01 ????? | ???????? ???????? ??????? ????? ???? ???? ??? ??? ???? ????/??? ????? ?? ??????? ?????? ??? | ????? ???????? ???? ??? ?????? ?? | ???? ???? ????, ????? ???? ??? ???? ??? ???? ?? ????? ??????? |
| ???? ????? ?????? (DMS) | 100 ~ 6 mm ????? ???? ????? | ???? ??? ??? ?????? ???? ???? ??? ???? ????, ???? ??????? ?? ???? ???? | ?????? ???? ???? ?????????? ????? ?? ??? ?? | coal, ??? ???? ?? ???? ???? ???? ????-???? ???? |
| ????? ??? ???????? ??????? | 10 ~ 0.1 ??.??. ????? ???? | ?????? ?????? ???? ???? ?? ????, ??? ?????? ???? ????? ???????? ???? | ??? ????? ??????? ????? ??, ???? ???????? ????? ??? ??? ??????? | ???? ?? ??? ???? ?????? ???, ????? ???? ????? |
??? ???? ???? ??? ?? ?????????? '?? ???????? ???? ????
???? ???? ???????? ???? ???? ?????????: ????? ???? ????? ?? ???, ??? ??? ?? ???????, ??????? ???? ??? ????? ?????????
??? ????? (????? ????)
- ?????? ????? ??? ????? ?? ?????? ??????? ?? ???: ???? ???? = ????? ?????? ??? ?????? ??????????? ??? ??????? ???
- 2. ??? ??????? ???? ???: ?????? ????????? ????? ????/???? ???? ???? ???? ??? ??????? ??; ?????? ???? ??? ????? ??? ???? ??? ????? ???
- 3. ????? ??? ??? ?? ??????: ?????? ??????? ?????? ????? ???? ???? ??, ??? ??????? ??? ???? ??? ??? ?????? ???? ??, ?????? ??? ???? ??? ??? ???? ?????? ???
- 4. ???? ??????? ????: ???? ?????? ???????? ???? ???? ?? ???? ?????? ?????? ?????? ???? ?? ?? ?? ?? ????? ???? ????? ??????? ?????
??? ??? ???? ?????? ????????
?????? (???? ????) ??????? ?? ??????????? ???? ??? ???????? ???? ??? ???? ???? ????? ??, ?????? ?? ???? ??? ????? ?? ???? ???
- ??? (????? ????? ????): ??? ????? ????? ???? ?? ??? ???? ?????? ?????? ?????? ???? ??? ??? ?????? ?? ????? ????? ???
- Water: ????? ??????; ??????????? ??? ?????
- ???? ??? / ???? (HMS): ?? ??? ???????????, ?? ?????? ??? ???? ??? ??????? ?? ????? ?? ??? ???
????? ?? ???? ??? ???? ?????
?? ??? ????? ?? ??????? ????, ??????, ??? ??? ??????? ?? ??? ???? ???? ??? ?? ???? ????? ??? ???? ???? ?? ???????? ???? ?????? ?????, ?? ??:
- ??? ???: ???? ???? ???? ?????? ??? ???????? ?? ??? ?? ???? ??; ???? ??? ???? equipment ?? ??????? ??? ??? ????? ???
- ???????? ???: Affects the viscosity of the pulp; must be maintained within the equipment’s optimal range.
- ???? ?? ???? ?? (????????, ?????? ??) ???? ??UID????? ?????? ??? ???? ?? ??? ???? ?? ??? ??? ???
- ??????? ?????????? ??? ????????? (????? ??): ?? ???????? ?? ?? ????? ???? ???? ???? ???? ??? ??? ???? ???
- ???????? ?? (??????? ??? ?????? ??): Determines the “effective gravity” and the recovery of fine particles.
??????? ?????? ????? ????? ????
| ????? ?? ???? | ???? ?????? ????? | ???? ?? ???????? ??????? | ???????? |
|---|---|---|---|
| ????? ???? | ??? ???? | ???, ??????, ??????????? ???????????, ???? | ???? ??? ???? ?????????? ??? |
| ???? ??? ???? | ??? ????, ????????? | ??????????? ?????????? (?????? ????? ?? ???? ???? ????), ???? ?????? ????? | ????????-??? ?????? ???? ??? ???? ?????? ??? ?? ????? ??? |
| ??? | ????????? | ?????? ???????, ???????, ??????? | ?????? ????????? ??????? ?????? ?? |
| ?????? | ??????, ?????????? | ?????, ???? ?????? ??????, ??????? | ???? ??? ?????? ????? ?? ??? ?????? ????? ?? |
| ?????? ??? | ????????, ??????, ?????? | ???????, ???? ???? ????, HMS | ???-???? ??????????? |
| ??????? | ??????? | ?????, ????? ????, ??? | ???? ?? ???? ??? ????? '?? ?????? ???? |
| ???? ???? | ????????, ??????? | ????, ?????-????, HMS | ??????? ???? ???? ??? ?? ????? ????? ?? |
| ??????? | ????????????, ?????????? | ???, ?????? | ???? ??????, ???-???? ????? ?? ???? ????? ?? |
????? ???? ??? ??????? ??????? ?? ??? ??? ??????? ?????
???? ???? ???? ?? ??? (????? ???? ??? ??? ????)
???? ???? ??????? ????? ??? ??? ?????? ????? ???? ???? ????? ??? ??? + ??????????? ?????????? + ?????? ???? ???? ?? ???? ?????? ????? 93% ??? ??? ???? ???? ???? ?????? ???? ????? ??, ?? ?? ??????, ????? ?????? ????? ???? ?????? ???? ????? ??? ?? ????? ????? ??? ????? ???? ??, ???????? ????-???????????? ??????????? ??? ???????? ??? ?????? ????? ?? ??? ??? ?? ???? ???
2. ?????? ??? ?? ?? ??? ??? ???
????????? ??? ??????? ??? ??? ???? ????? ???? ??? ???-????? ??? ????? + ?????? ???? ????? ???? ???????? ??????, ??????? ??? ??? ????? ????? ?? ??? ?????? ???? tungsten-tin ??????? ?? ????? ???? ???? ???????? ???
3. ???? ??? ?????? ???????? ????
????????, ????????, ????? ??? ??????? ???? ?????? ???????? ????? ??, ???? ??? ?????? ???????? ???-??? ???? ????? ???? ????? ?? ???? ???????? ??? ??????? ?????? ????????? ????? ??; ???? ????? ????? ???? ??? ???? ???? ??? ???? ????? ??? ?? ????? ????? ?? ??? ??? ???? ???? ???
4. ??? ??? ???? ???? ???? ????
??????, ??????, ????????? ????? ???, ????? ??? ????? + ?????? ???? ???????? ????? ?? ????? ???? ????? ????? ???? ?????? ?????? ??? ??????? ??? ??? ????? ??? ?? ???? ????? ???
5. ???? ???????
???? ?????? ??????? ??? ??? ????? ???? ??? ?? ????? ?? ????? ??, ?? ??????? ?? ???? ??? ????? ??? ??? ???? ??? ??? ??? ???? ???
6. ?????? ???? ??? ???? ???????? ?? ???? ???? ???????
?????? ???? ???? ?????? ?? ????? ??? ?????? ???? ?? ???? ??? ???? ???? ???? ???? ???? ??? ????? ???? ?????? ??? ???? ?????? ???? ??, ??? ??? ?????? ???? ????? ?? ????? ???? ????? ???
???? ????? ??????? ????? ???? ???? ???????? ??? ??
????? 1: ????? ??????? 500 ?? ????? ??? ????? ???? ???????? ?????
- ?? ????: Coarse native gold 0.1–1 mm, low clay content, local water shortage
- ???????? ?? ??????: ??-??? ????? ????? + ?????? ?????????? + ???????? ???? ????? ???? + ?????????? ???? ???????
- ??????? ???: ???? ?? ????? ?? ?? 93.38%, ????? ??????? ???? ?? ???? 85%, ???? ?????? ???? ?? 86%, ?????? ???????? ????? 40% ???? ?? ??? ?????
????? 2: 2000 ?? ????? ??? ????????? ??? ???? ?????? ?????? ??????
- ?? ????: ???????-????? ?? ???? ????, ????? ??? ???? ????? ???? ??????????
- ???????? ?? ??????: ??? ????? + ????-???? ??????? + ????-????? ?????? ???? ???? ????
- ??????? ???: ?????? ?????? ?? ????? 66%, ?????? ?? ???? ????????? 82%, ??? ???? ???? 65% ????? ???????? ??? ????? ?? ????? ?? ???? ????
????? 3: 1200 ?? ????? ???? ??? ???? ???? ??????? ???? ????? ??? ????
- ?? ????: ??????? ??????, ????? ??? ??????? ???
- ???????? ?? ??????: ?????? ?????????? ???? ????? + ?????? ?? ???? ??? ??????? ?????
- ??????? ???: ???? ????? ???? ??????? 88%, ??? ?????? ??????? ???? ?? ??? ????, ??? ????? ?? ????? ?? ????
???? ?? ??????? ?? ?? ??? ???? ?????
??????? ???????? ?????? ???? ???????? ???? ??? ?????? ??? ???? ??????????? ????? ??? ??? ?? ???? ?????? ?????, ??? ???? ????, ??? ??????? ??? ??? ????? ??? ??? ???????, ??????? ?? ??? ’?? ????? ???? ?? ?? ?ahi ??????? ??? ?ahi ???? ???? ??? ???????? ???? ’?? ???? ???? ?????
???? ?????????, ??????????, ??? ???????? ??, ??? ???? ?????? ?????? ??:
- 1. ??????? ?????? ?? ????? ???? ???-????? ?? ???? ???? ??: ????? ??????, ????? ??? ????? ??? ???? ?????? ??? ?? ?????
- 2. ???? ??? ?? ?? ???? ??? ??? ???: ???? ??? ?? ???? ?? ????? ???, ???? ?? ??????, ??? ???? ???? ?? ?????? ?? ????? ???? ???? ???? ???? ?? ????????????? ???????? ?? ????? ????
- 3. ??? ??????? ???? ????: ?????? ?????? ?????? ?????? ??, ???? ???? ??? ??? ?? ????? ???? ????? ???? ????? ?????? ????? ?????? ????? ????? ???
- 4. ?????? ???????? ?????????: ??? ???, ???? ?? ??????, ??? ????? ???? ??? ??? ???? ?? ??????? ??? ???????? ???? ???? ?????? ???
- 5. ??????? ???????: ??? ???? (<0.1 ????) ???????????? ????? ??? ?? ??????? ????? ??? ?????? ??? ????????? ???? ????? ???? ?????? ?? ??? ?? ??? ???? ??? ??? ?????? ??? (????? ?? ????????) ???? ???? ???? ?????? ???
?????? ???????? ???? ???? ????? ????? ??????
?? ???????? ????? ??? ?? ????? ?????? ?? ???? ?? ???? ???? ?? ???????? ??? ?? ???? ?? ???? ???
A: ?????? ???????? ?????-????? ????? ?? ?????? ??? ???????? 74 ???????? (200 ????) ??? ????? ?????? ?? ????? ?? ?????? ???? ?? ???? ????????? ??????????? ???????? ??? ?????? ?? ????? ??? ???????, ???? ????? ?????????? ???????? ????????? slurry ??? ???????? ?? ??? ?? 60G ??? ?? ??? ??? ???? ???? ?? ???, ??? ??? ???? ?????? ??? 10 ???????? ??? ???????? ?????? ????? ???
?? ???????? ??????? ??? ???? ?????? ??? ???? ???
A: ????? ?? ????????? ???? ???? ????? ????, ????? ??? ?????? ?????? ?? ????? ????? ???? ?????? ??? ???? ??? ???? ??? ?? ??? ????????????? ???? ?? ????? ??, ???????? ?????? ?????? ??? ???????, ?????? ????? ???? ??? ???????? ????? ????? ??: ???????? ????? ???? ??? ?? ????? ?????? ??? ?????? ???? ???? ???? ????, ??? ???????? ??? ???-???? ????????? ??? ???????? ???? ?????
?????? ???? ?? ???????????? ?????? ?? ????????? ??? ???????? ???? ??, ????? ???
A: ??????? ?????? ?? ???????????? ??? ?????????? ?????????? '?? ????? ??: ???? ???? ???? ???? ????? ??? ????? ???? ??????? ??????? ?? ??? (???? ??? ???? ???? ???? ??????? ??), ??? ?????? ?? ???? ??? (???? ???????? ?? ????? ???? ?? ????????? ?????????????? ??? ????? ??), ??? ??? ???????, ??? ???? ???? ?? ???? ?? ??? ??? ????? ?? ?????? ?????? ????? ?? ??? '?? ?????? ???
??? ????? ?? ?? ???????????? ??? ???? ???? ??? ???? ?????? ?? ???????-????? ?????? ?? ??????? ???????? ???
A: ???????? ??????? ??? ??? ??? ????? ????? ????? ?? ??? ??? ??? ?????? ??? ?? ??? ???? ??? ?? ?????? ???????? ??? ??? ?????? ?????? ??????? ?? ??? ??? ???? ????? ??, ???????? ???? ???????? ??? ??????? ??, ???? ???????? ???? (?????) ??? ??????? ??, ??? ???? ????? ?? ????? ????? ??????? ?? ?????? ?? ???? ???? ????? ???? ????-?????? ??????? ??? ?? ????? ???
?? ??????? ???????? ???????? ????? ??? ??????? ??? ???? ??? ?? ??? ???
??? ????, ???? ????? ?????????? ?? ???????? ??? ?????? ???? ???, ??? ???? ??????????? ???????? ???????, ????? ?? ????-????, ??? ???????? ????? ????-????? ?? ???? ???????? ????? ???
??????? ??? ?? ????? ??? ?????? ??????? ???? ?? ???? '?? ?? ?????? ????? ??
????? ?????? ???
????? ????