Tin pest related problems such as tin whiskers. At 13.2 °C (about 56 °F) and below, pure tin transforms from the silvery, ductile metallic allotrope of β-form "white tin" to the brittle, nonmetallic, α-form "grey tin" with a diamond cubic structure. The transformation is slow to initiate due to a high activation energy but the presence of germanium (or crystal structures of similar form and size) or very low temperatures of roughly −30 °C aids the initiation. There is also a large volume increase of about 27% associated with the phase change to the nonmetallic low temperature allotrope. This frequently makes tin
Wedding Anniversary Zee Music Company. Mihir Bhanage of The Times of India found the film to be boring and gave it a rating of 2 out of 5 saying that, "If you have issues in your love-life, visit a marriage counsellor. Wedding Anniversary will only add some phrases to your Hindi/ Urdu vocabulary." Nandini Ramnath of "Scroll" said that, "‘Wedding Anniversary’ is as much fun as a divorce hearing". Vishal Verma of "Glamsham" gave the film a rating of 1 out of 5 and said that, "Wedding Anniversary is an unintentional horror that makes us wonder what on earth are talents like