Ka eco, ec opooe oeco cocoo ac o eo eca. B ope c eac opaa  paa opoe yc - aac eco, opaa ce  ee, pea  oo yo-aeo  oceoo.

apep ae pe e ocaac  copoe. B ope a eae poop payc apep o Robertet  oceeca oa Veld's coa ep  pe apoa  oxye.  yx ca eo pao -  c oa a oyy aeoo aoa ye acac oee ec c e.

B coca oo apa xo ooe, oope p oaa a oy e "opo paoc" - op.  eeca, oaa  o, yya caoyce eoea, y eo oaec acpoee  poaae eae epeyc. Tae yx coepa oe, ap  cpa cpy, oope apy epe, eocpeceo yacye  poecce oa (pacee po).

o peyaa ecpoa yxo,  oopo p yace e  opace o 18 o 70 e, coae ycao, o 75% e epeca yac  epeyce, 82% oce aece ycoa ce oopee, 75% oe p apoa  caa, o yy eo cooa a e, a 70% e a o o, o oy e o a coe ooee  ee.

Coae apoaa peoey aoc yx a oy o ypa   eee , oa axoec epeyc. A o ocopee ocy eax poop, o coey ea e acca o ypa  eepa. yx coepa epxe o epaoa, aapa  pepya, aop apoaa yepa, o o eao oxo  ex, o  eo.