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2. Mat (picture framing) - Wikipedia

   en.wikipedia.org/wiki/Mat_(picture_framing)

   While some say that acidic framing materials should be avoided for all but the most temporary frames, it is not safe to say that all "acid-free" mats are recommended for long term preservation use. The hierarchy of mat board quality is as follows: Museum board – The highest quality material available. It is constructed of 100% cotton fiber ...

3. Cutting mat - Wikipedia

   en.wikipedia.org/wiki/Cutting_mat

   A cutting mat is a mat that is placed between a workpiece to be cut and the surface below (e.g. a table) to protect the surface. They are used, amongst other things, in hobby work for precise and clean cuts of paper, cardboard or textiles using a scalpel or rotary cutter .

4. Oriented structural straw board - Wikipedia

   en.wikipedia.org/.../Oriented_structural_straw_board

   OSSB is thus sometimes referred to as oriented split straw board. [4] Formaldehyde free resin is added to the straw and the fibres are oriented for strength and appearance, and shaped into a mat through directional mat forming. The mat is then pressed between heated belts, water is vaporized, transferring heat into the straw.

5. Medium-density fibreboard - Wikipedia

   en.wikipedia.org/wiki/Medium-density_fibreboard

   The pressing cycle operates in stages, with the mat thickness being first compressed to around 1.5 times the finished board thickness, then compressed further in stages and held for a short period. This gives a board profile with zones of increased density, thus mechanical strength, near the two faces of the board and a less dense core. [9]

6. Cutting board - Wikipedia

   en.wikipedia.org/wiki/Cutting_board

   A kitchen knife on a wooden cutting board. A cutting board (or chopping board) is a durable board on which to place material for cutting.The kitchen cutting board is commonly used in preparing food; other types exist for cutting raw materials such as leather or plastic.

7. Marston Mat - Wikipedia

   en.wikipedia.org/wiki/Marston_mat

   Marston Mat, more properly called pierced (or perforated) steel planking (PSP), is standardized, perforated steel matting material developed by the United States at the Waterways Experiment Station shortly before World War II, primarily for the rapid construction of temporary runways and landing strips (also misspelled as Marsden matting).