Since the Chinese calendar is a lunisolar calendar, the last day of a year is also called lunar New Year's Eve (Traditional Chinese: å¤§å¹´å¤, Pinyin: dÃ niÃ¡nyÃ¨, translated: old, large, huge, major, important year's night).
While aluminium doesn't rust, it often becomes dull from corrosion, and is often encrusted with brake dust, calcium, lime, tarnish, grease, oil and hard water stains. Simply washing it off will not work, you need something stronger and more effective to do the job.
Zinc Pure metal A layer of oxide protects it from corrosion, bluish-white, easily worked. Makes brass. Coating for steel galvanized corrugated iron roofing, tanks, buckets, rust-proof paints Tin Pure metal White and soft, corrosion resistant.