Sandviken's ironworks (Sandvikens Jernverk). Set of ore and drudged on blast furnace crans. Through the pure raw material, namely sulfur and phosphoric ores, as well as charcoal as fuel, and through the process's care caring is already founded in the blasting steel quality. Note that the various ore varieties are carefully weighed on the wave, as shown in the image, carries the bucket, the charcoal, to the right of the image, measured in the carbon housing and arrives at the rope to the blast crusher.

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