What do stump grinders and McDonald's restaurants have in common? It's the ability to generate profits by offering attractive addons to the basic menu. Over the years, Tree Care Industry magazine has reviewed technological and ergonomic advancements in the venerable stump grinder, but for this article we will look instead at stump grinder owners -- who fall into one of three categories.
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机译：树桩粉碎机和麦当劳餐厅有什么共同点？它是通过向基本菜单提供有吸引力的附加组件来产生利润的能力。多年以来，《 Tree Care Industry》杂志回顾了古老的树桩粉碎机的技术和人体工程学进展，但在本文中，我们将着眼于树桩粉碎机的所有者-他们属于三类之一。
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