造船・橋・高層建築物など、鋼構造物の溶接作業には炭酸ガスアーク溶接が一般的である。The US Airways flight saved its nose down around the runway for an prolonged period of time to go beneath the Aer Lingus flight and avoided a collision. There were no fatalities.The two-phrase time period aer loingeas (with bot
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