Kitchen utensil the turn of the 20th century, Maria Parloa noted that kitchen utensils were made of (tinned or enamelled) iron and steel, copper, nickel, silver, tin, clay, earthenware, and aluminium. The latter, aluminium, became a popular material for kitchen utensils in the 20th century. Copper has good thermal conductivity and copper utensils are both durable and attractive in appearance. However, they are also comparatively heavier than utensils made of other materials, require scrupulous cleaning to remove poisonous tarnish compounds, and are not suitable for acidic foods. Copper pots are lined with tin to prevent discoloration or altering the taste of food.
What Love Is Made Of Katy released her debut album, entitled "On a Mission", by Rinse and Columbia Records. Exploring dubstep-based musical genres, it garnered critical praise, including being nominated for the Mercury Prize. In the UK, it was a commercial success, peaking at number 2 in the UK. Following that release, was the extended play (EP) "Danger", which was available online in December 2012. During an interview with "Billboard" held in March 2013, Katy revealed that her sophomore studio album was nearly done. Katy revealed to MTV UK website District MTV that she felt inspired to record "What Love Is Made Of" by hearing