Wood vs Plastic chopping board: Land use A restaurant orders 50 wooden cutting boards (made of oak) measuring 0.5 m × 0.5 m * 0.1 m. 1. How much is the equivalent land use of this order (ha)? During wood processing, around 50% of the wood is lost. Furthermore, the area required for oak production is 0.2 hectares per m3 of collected wood.