… several insulating elements. The conductor cable or wire is fixed at the bottom of the assembly which is hung on a … by means of nails, screws, bolts, etc. Insulators with fixed supports may be built up of two or more elements; …
… where it is injected into the soil for destroying insects, phylloxera, etc. For the latter use, the derived product … without melting. Used for the manufacture of fireworks (mixed with potassium nitrate and sulphur), in paints (ruby …
