Pig Iron is a very low grade of Iron, often mixed with scrap metals in the smelting process, that is much less sturdy that normal steel. Making it useless for most tasks one would use Steel for.
Copper is more malleable and can be formed easier. However, it is much softer than iron and doesn't carry weight well. Copper is more corrosion resistant than iron is and oxidizes very slowly.
Aluminium is called ''Energy Bank'' because the energy saved in recycling.
The symbol for recycling is simply three arrows going in a triangular shape.
The combination of the magnetic field of a coiled wire wrapped around an iron core will create a very useful electromagnet. This is the bases used in the construction of mechanical relays.
A magnet can sort the ferrousmetalse.g., iron and steel, from the feed stream.
Recycling iron and aluminum makes iron and aluminum or you're doing it wrong.
Copper is more valuable than iron, so some countries focus on recycling more of it.
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By recycling
It produces less CO2 than smelting iron ore
You can recycle a cast iron sink at your local recycling depot. For example, Miller Waste offers citizens to bring their cast iron sink to the depot for recycling for a fee.
RECYCLING .
we can make it by recycling
iron and aluminum are useful metals made from alloy
im not saying
Waste and recycling