Tarmac (company) business retained the Tarmac name and was bought by Anglo American shortly afterwards. In February 2015, Lafarge announced that the business would be sold to CRH plc, once Anglo American had sold its stake. Anglo American completed the sale in July 2015, and the acquisition by CRH completed the following month. Following the purchase, Lafarge Tarmac was rebranded as Tarmac. In February 2011, Anglo American and Lafarge announced their intention to merge their British construction materials businesses, excluding Lafarge's gypsum activities. In September 2011, the proposed transaction was referred to the Competition Commission by the Office of Fair Trading, and
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