Aluminium foil with all metallic items, aluminium foil reacts to being placed in a microwave oven. This is because of the electromagnetic fields of the microwaves inducing electric currents in the foil and high potentials at the sharp points of the foil sheet; if the potential is sufficiently high, it will cause electric arcing to areas with lower potential, even to the air surrounding the sheet. Modern microwave ovens have been designed to prevent damage to the cavity magnetron tube from microwave energy reflection, and aluminium packages designed for microwave heating are available. Heavier foils made of aluminium are used for art,
Tin Tin Daily News Tin Tin Daily News Tin Tin Daily News also known as Tin Tin Yat Pao was a newspaper in Hong Kong, published between 1960 and 2000. In later years it took a pro-Beijing editorial stand. It was founded by the Wai Kee-shun family, who made their fortune in pharmaceutical industry and was the first colour-printed newspaper in Hong Kong. The newspaper was published by Tin Tin Publication Development Limited and was printed by sister company Tin Tin Colour Printing Company Limited. However, the publishing rights was owned by Tin Tin Yat Pao (International) Limited, which was majority owned by bank.