Heavy metals is improved with the addition of thorium. Tellurium is added to copper and steel alloys to improve their machinability; and to lead to make it harder and more acid-resistant. The biocidal effects of some heavy metals have been known since antiquity. Platinum, osmium, copper, ruthenium, and other heavy metals, including arsenic, are used in anti-cancer treatments, or have shown potential. Antimony (anti-protozoal), bismuth (anti-ulcer), gold (anti-arthritic), and iron (anti-malarial) are also important in medicine. Copper, zinc, silver, gold, or mercury are used in antiseptic formulations; small amounts of some heavy metals are used to control algal growth in, for example,
He Was King "He Was King" was average. At Metacritic, which assigns a normalized rating out of 100 to reviews from mainstream critics, the album has received an average score of 63, based on nine reviews. All songs written by Felix da Housecat (Felix Stallings). He Was King He Was King is an album recorded by Felix da Housecat, released worldwide just two days before his 38th birthday on August 25, 2009 via Nettwerk Records. The album was described by Felix as follows, "Whereas "Kittenz and Thee Glitz" was straight up electro, "He Was King" is straight Felix da Housecat pop with a