Exempel på cork

• Seasonal variation of foraging niches in a guild of passerine birds in a cork-oak woodland.

• The corks of tubes containing alcohol should be covered with paraffin wax to prevent leakage.

• A beetle refuge was provided in each miniplot consisting of a square of cork flooring tile (40 x 40 x 5 mm).

• The interior of the tube was filled with loosely packed pulverized cork, thereby eliminating natural convection heat transfer to the interior.

• A cork borer was used to remove five discs from each leaf, avoiding areas with large veins.

• The preparation is now mounted as a mosquito should be, and is fixed by means of the stout pin on a broad cork setting-board.

• Once gathered, this sample is corked, labelled and safely archived.

• In the mini-plot experiment a section of cork tile was provided as a refuge for the beetles.

• The upper end of the cage is closed with a cork stopper.

• The animal was swaddled in moist cheesecloth and secured to a piece of cork bolted to a rotatable stage.

• Strips of cork-carpet and peat for pinning opei'ations, and for improvising storeboxes.

• A cork borer was used to cut 2.5 cm diameter broad bean leaf discs, which were inserted into five hair-clip cages (mesh size 0.5 mm).

• One end is closed with a cork stopper through which a hole is bored.

• The corks should be of good quality and waxed to prevent evaporation of the spirit.

• The cork (with hole) end rests in a groove immediately over an opening in a sheet of galvanised iron which forms the cover of a water tank below.