Pewter known as "trifling metal" or "trifle", was used for holloware and is made up of fine metal with approximately 4% lead. The last type of pewter, known as "lay" or "ley" metal, was used for items that were not in contact with food or drink. It consisted of tin with 15% lead. These three alloys were used with little variation until the 20th century. Older pewters with higher lead content are heavier, tarnish faster, and oxidation gives them a darker silver-gray color. Pewters containing lead are no longer used in items that will come in contact with the human body
Metal Storm (webzine) submit information that is missing. Before being published, community edits are moderated by members of the staff. Heavy metal is divided into three broad sub-categories on Metal Storm. Bands that fall in between two sub-categories are usually allocated based on what elements are historically more prominent in their music though there is no strict enforcement of any rules. This sub-category includes the heavy metal genres such as heavy metal, power metal, progressive metal, glam metal, doom metal, gothic metal, folk metal, speed metal and symphonic metal. This sub-category includes the heavy metal genres such as black metal, death metal, grindcore,