Monthly Archives: August 2012

Hanging a textile.

Post by Dived. A good way to hang a textile on the wall is by using Velcro. Here is how it works: 1. Sew the Velcro to the textile.  Put the soft part on the back of textile and the … Continue reading

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Rolling a textile

Post by Mariana. Take a cardboard tube.  If it is not acid-free, cover it with aluminum foil. Take two pieces of fabric.  If the tube is 35 cm wide, the fabric should be 33 cm wide.  The length of the … Continue reading

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How do you repair creasing?

.Post by Diman MATERIAL Distilled water Weights  Blotting Paper   (Plastic glass (Plexiglass First wet paper with the water,  put on the creased places, put plastic glass on the wet, paper, and put the weight on the plastic glass, up … Continue reading

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Classification of Materials

Post by Nyan. Inorganic: Rocks and minerals, stone,  metals, ceramic, glass Organic: Plants   (wood, paper, textile) Animals (plastic, animal part) Some materials contain both organic and inorganic components Examples: Ivory, bone, when fresh a combination of inorganic material and protein … Continue reading

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Understanding solutions using dyes.

Post by Hidayet. For making this test we used organic dyes, three different colours, with 5 ml of solvent (acetone, ethanol, distilled water). For each solution of those we put 0.15 gm of dye in it. After we mixed together, … Continue reading

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Cleaning a cylinder seal.

Post by Rezhna.

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Galvinization

Post by Mohamed. To make galvanized copper in the laboratory. Chemicals / Equipment: 2 copper pieces (penny) Drain cleaner (approximately 50% NAOH or KOH) Galvanized nails or Zinc pellets Bunsen burner Tongs 2 Beakers Water Salt and vinegar Procedure: Place … Continue reading

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