Questions with the keyword 'metal'

• hiya do you know why when we taste blood it tatsed of metal? thanks ellie :) by whjamandellie to Anil, Blanka, Cees, Emma, Mike Comments: (so far, 3s comments )
• Who invented Gold and silver? by issi2001 to Anil, Blanka, Cees, Emma, Mike Comments: (No comments so far )
• Is iron and steel different? by issi2001 to Anil, Blanka, Cees, Emma, Mike Comments: (No comments so far )