Plywood is a material manufactured from thin layers or “plies” of wood veneer that are glued together with adjacent layers having their wood grain rotated up to 90 degrees to one another. It is an engineered wood from the family of manufactured boards which include medium-density fibreboard (MDF), oriented strand board (OSB) and particle board (chipboard).
invented by Geaorge Medhurst
An air compressor is a pneumatic device that converts power (using an electric…
invented by Edward Jenner
Edward Jenner develops the first successful vaccine, the smallpox vaccine.
invented by Joseph Bramah
A hydraulic press is a machine press using a hydraulic cylinder to generate a…
invented by William Cullen
The term refrigeration means cooling a space, substance or system to lower…
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