ํ•ญ๊ณต, ๊ธฐ๊ณ„, ๊ฑด์„ค, ์šด์†ก ๋“ฑ์„ ํฌํ•จํ•˜๋Š” ์‚ฐ์—…์žฌ ์„นํ„ฐ์ž…๋‹ˆ๋‹ค.

๊ฒฝ์ œ ํ™œ๋™๊ณผ ์ž๋ณธ ์ง€์ถœ์— ๋”ฐ๋ผ ์„ฑ๊ณผ๊ฐ€ ๋ณ€๋™ํ•˜๋Š” ์ˆœํ™˜์  ํŠน์„ฑ์„ ๋ณด์ด๋ฉฐ, Boeing, Caterpillar, Hyundai Heavy Industries ๋“ฑ์ด ๋Œ€ํ‘œ ๊ธฐ์—…์ž…๋‹ˆ๋‹ค.

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