1. What is Colloid(Micro dust)
집진기의 원리를 이용해 먼지와 매연을 제거하자!
콜로이드란?
콜로이드는 혼합물의 일종으로, 나노미터에서 마이크로미터 사이의 크기를 갖는 입자들로 구성된 것을 가리킨다. 콜로이드는 입자가 균일하게 퍼져 용매 속에 떠다니는 양상을 띤다.
먼지, 매연 등은 ‘음성
Similar Kind of Crisis in Overseas : S&L Crisis
Savings and loan crisis : similar crisis of Korean savings bank crisis
Originally non-for-profit organizations,
built to help working-class purchase
homes
S&L organizations grew rapidly,
as the generation of baby boomers
started purchasing houses
S&L banks asked Congress to remove restrictions of their business i
Late 1997 after the financial crisis due to interlayer polarization in the labor market share decline, the difficult living and low incomes continue to increase. since 2007 the global financial crisis, rising unemployment, income polarization, deterioration of family income, inflation, Household debt and interest burden due to increased sales of credit by various factors, including difficulties i
S&L organizations grew rapidly,
as the generation of baby boomers
started purchasing houses
S&L banks asked Congress to remove restrictions of their business in order to expand their business : Deregulation
As the competition between S&L banks became severe, expanded business, they started to lend mortgage to the people with low credit rating
Despite the in