prov:value
| - Typical core materials include wood based products, such as high density fiberboard (HDF), medium density fiberboard (MDF), particleboard, strandboard, plywood, and solid wood; polymer-based products, such as polyvinyl chloride (PVC), thermoplastics or thermosetting plastics or mixtures of plastic and other products, including reinforcements; and metals, such as aluminum stainless steel, brass, al
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