The disadvantages of natural timbers
{"Image DocumentName": "The disadvantages of natural timbers", "Image ImageDescription": "As a natural material, timber has some problems: it has irregular properties. its grain varies. it is stronger in some places than others. knots can be a real problem because the wood is so hard. wood is hygroscopic \u2013 it absorbs and releases water (this makes it shrink, swell and warp) woodworm may be a problem (not a problem for metals and plastics!).", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}