Encara no tenim significats per a "protect against corrosion".
1Zinc is used to coat steel to protect against corrosion.
2Zinc is used to coat steel to protect against corrosion and is also used in batteries, castings and alloys such as brass.
3Zinc is used to coat steel to protect against corrosion and also is used in batteries, castings and alloys such as brass.
4China makes and consumes around half the world's stainless steel, which is used to protect against corrosion in buildings, transportation and packaging.
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