The paper outlines the situation that Sanxiao experience is popularized for rock drift excavating also its economic efficiency in aspect of promoting driving rateofadvance and decreasing cost.
The late 20th century has brought remarkable advance: the United Nations reckons that between 1980 and 1995 the worldwide rateof illiteracy among people aged over 15 fell from 31% to 23%.
They complain that moneylenders advance only a fraction of the item’s value. And, with an interest rate of 30% a month, they can rarely afford to redeem their collateral.