12์›” ๋ง์— ์ƒ€๊ณ  ์ง€๊ธˆ๊นŒ์ง€ ์จ์˜ด.
1์›” ๋ง๋ถ€ํ„ฐ ํœ ์”นํž˜์ด๋ž‘ ํœ ํА์ด ์กฐ์ง€๊ฒŒ ๋งŽ์ด ์ผ์–ด๋‚˜๊ฐ–๊ณ  ๊ตญ๋‚ด์ •๋ฐœ์ด๋ผ as ๋ฐ›๊ณ  ๋‹ค์‹œ ์‚ฌ์šฉ์ค‘์ž„.
๊ทผ๋ฐ ์ด ์ฆ์ƒ์ด ์ตœ๊ทผ์— ๋˜ ์กด๋‚˜ ์‹ฌํ•ด์ง.


QC๋กœ ์นญ์ฐฌ ๋งŽ์ด ๋ฐ›๋˜ ๋ธŒ๋žœ๋“œ๋ผ ๋ฏฟ๊ณ  ์ƒ€๋Š”๋ฐ,, ๋˜ AS ๋ฐ›์„ ์ˆ˜ ์žˆ์„์ง€ ๋ชจ๋ฅด๊ฒ ์Œ;
๋งˆ์•ผ๊ฐ€ ์›๋ž˜ ํœ ํА์ด๋ž‘ ํœ ์”นํž˜ ์ด์Šˆ๊ฐ€ ์žˆ์—ˆ๋Š”์ง€ ์—ฌ๋ถ€๋Š” ๋“ฃ๋„ ๋ณด๋„ ๋ชปํ–ˆ๋Š”๋ฐ, ๋‚˜๋งŒ ์ด๋Ÿฐ ์ง€ ๊ถ๊ธˆํ•จ