Voorbeelden van carborundum

• The first was what is going to happen to the handle of a carborundum sharpener.

• This was an abrasive carborundum wheel, and when it revolved at 4,000 revolutions per minute it was apt to break into pieces and scatter around.

• Carborundum sawn marble is a further stage in the production of worked marble and is not covered by the open general licence.

• There are plenty of engineering gentlemen who know the difficulty of putting a steel handle on to a piece of carborundum, and they will bear me out.

• If you take the case of a handle, say, for a carborundum sharpener, it is a very difficult thing to put a handle on to a carborundum tool for sharpening.

• I tell him advisedly that a carborundum sharpener is not included and is not dutiable, and therefore the handle for a carborundum sharpener will not be dutiable.

• Substances such as carborundum, acrylic texture mediums, sandpapers, bubble wrap, string, cut card, leaves and grass can all be used in creating the collagraph plate.

• Acheson, in 1890, originally attempted to synthesize artificial diamond, but ended up creating blue crystals of silicon carbide, which he called "carborundum".