Outsourcing non-core-competency work can be beneficial, but Advanced Environmental Recycling Technologies Inc. (AERT) found it was costing too much time and money to have the builder of its pulverizing machines re-sharpen the pulverizing discs once they became dull. AERT, Springdale, Ark., manufactures a line of composite lumber products from recycled polyethylene plastic and waste wood fiber for the home building market.
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