Weakened yuan, reduced economic growth also dampen consumer sentiment.
From lead to mercury, humans have long unknowingly misused dangerous metals for their personal use.
Kite flying is a popular sport in India but has turned deadly in recent years, with people using strings coated in metal or glass to try to cut down competitors' kites.
London-listed Glencore bought 200,000 tonnes of aluminium on the LME in January and made preparations to take it from a warehouse in Port Klang.
Putrajaya is not extending the moratorium on bauxite mining which ends on March 31 due to strong demand for the industry.
Steel prices and aluminium premiums are shooting up in the US thanks to tariffs, threatening to wreak havoc on manufacturers.