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MONTANA

机译：蒙大拿

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摘要

Commodity prices were high but so were costs, particularly for fuel and explosives in 2006. Equipment continued to be in short supply with limited amounts of used equipment available and delivery dates on some new equipment one year or more. Tire prices on the large haul-truck, tires 1.4- to 1.6-m (57- to 63-in.) rims increased from 10,000 dollars to 12,000 dollars in years past to 65,000 dollars or more per tire. Most Montana mines are limited to four new tires per month. The quality of some of the tires has been questionable depending on the manufacturer. In some situations, haul speed and payloads have been reduced to keep the delivery and rate of demise of the tires in balance. Local contractors have reported that unless a tire source could be found, many of their trucks would have to be parked.
机译：商品价格很高，但成本也很高，特别是2006年的燃料和炸药。设备继续供不应求，可用的二手设备数量有限，某些新设备的交付日期为一年或一年以上。大型卡车的轮胎价格为1.4到1.6毫米（57到63英寸）轮辋，从几年前的10,000美元增加到12,000美元，到每个轮胎65,000美元或更多。大多数蒙大纳州的矿山每个月只能使用四个新轮胎。某些轮胎的质量因制造商而异。在某些情况下，降低了运输速度和有效载荷，以使轮胎的交付和消亡速度保持平衡。当地承包商报告说，除非找到轮胎来源，否则他们的许多卡车都必须停放。

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