1. Muscle tears set solid[Sentencedict], discs weld together.

2. They weld together mineral grains of radically different compositions and properties, rendering most techniques of mineral separation and enrichment ineffectual.

3. 22 They weld together mineral grains of radically different compositions and properties, rendering most techniques of mineral separation and enrichment ineffectual.

4. Other articles where Blowhole is discussed: steel: Solidification processes: …cavity, but there are many Blowholes in the centre that normally weld together during hot-rolling

5. The key difference between Calcination and sintering is that Calcination is the heating of metal ore to remove impurities, whereas sintering is the heating of metal ore to weld together small particles of a metal.