Tarmac (company) sale of £285 million worth of British assets to Mittal Investments. In December 2012, Anglo American's Tarmac unit became Hope Ready Mixed Concrete Limited, whilst Lafarge's assets became Hope Cement Limited. The deal was completed in January 2013 with the creation of Hope Construction Materials. The merger was completed in March 2013, following receipt of necessary approvals from the Competition Commission. Lafarge Tarmac bought Tarmac Building Products from Anglo American in April 2014. Also in April 2014, Lafarge announced it was merging with Switzerland based cement giant Holcim Ltd., to form the world's largest cement producer, LafargeHolcim. Three months later,
Cetacean surfacing behaviour Cetacean surfacing behaviour Cetacean surfacing behaviour or breaching is a group of behaviours demonstrated by the Cetacea infraorder when they come to the water's surface to breathe. Time intervals between surfacing can vary depending on the species, surfacing style or the purpose of the dive, and some species have been known to dive for up to 85 minutes at a time when hunting. In addition to respiration, cetaceans have developed and used surface behaviours for many other functions such as display, feeding and communication. All regularly observed members of the order Cetacea, including whales, dolphins and porpoises, show a range