In the past, cleaning of electronics circuit boards was a major way in which CFCs were used. Acer used to need more than 500 gallons of CFC cleaning fluid per month for this task, and the expense for this went up thrice-over last year, jumping from about NT $ 200,000 per month to NT $ 700-800,000.
以往，電路板清洗是消耗氟氯碳化物溶劑的大宗項目，過去宏一個月約需要五百多加侖的氟氯碳化物溶劑做清洗，而這項費用在去年一年內呈三級跳，由每月廿萬左右暴漲至七、八十萬。