Latest Art materials Stories
How EGC Developed a Flexible Graphite Bonnet Seal that Consumes Less Time and Provided Real Cost Savings to Power Plants During Regularly Scheduled Maintenance. Chardon,
A pencil, containing a solid pigment core within a protective casing, is a common writing implement or art medium. Having a case keeps the pigment from breaking as well as from marking the user's hand. Pencils differ from pens because they leave marks by physical abrasion rather than staining the paper. The pigment leaves behind a trail of material that adheres to the sheet of paper or other writing surface. Cores are usually made of graphite mixed with clay to bind it. Graphite is durable...
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.