์ดํ•˜ ๋‚ด์šฉ ์ „๋ฌธ ๋ฒˆ์—ญ๋ณธ *์ œ๋ฏธ๋‚˜์ด 2.5ํ”„๋กœ ์‚ฌ์šฉ