"We try to hit the sweet spots in terms of volumes," explains Don McCann, architectural design manager at Viracon Inc. in Owatonna, Minn. "Our business model is geared toward the common sizes."

“我们试着用音量来击打玻璃上的”甜区“（受力点）”，位于明尼苏达州奥通纳的Viracon公司的建筑设计经理唐麦凯恩解释说，“我们的模型都是朝着普通大小来制作的。”

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An eastern contingent starts out from Columbus, Ohio, winds its way through Indiana, Illinois and Iowa, and arrives in Owatonna, Minn.

FORBES: Magazine Article

In the final stretch toward Owatonna my group was honked at and given the thumbs-up from a passing car on the highway.

FORBES: Magazine Article

An eastern contingent starts out from Columbus, Ohio, winds its way through Indiana, Illinois and Iowa, and arrives in Owatonna, Minnesota, where it's met by a western contingent that started in South Dakota and came by way of Nebraska and Iowa.

FORBES: Magazine Article