Tarmac Group 2011, Anglo-American announced a proposed joint venture with Lafarge that involved combining both companies' aggregates businesses in the United Kingdom. The merger, which excluded Tarmac Building Products, was completed in March 2013, following receipt of necessary approvals from the UK Competition Commission, forming Lafarge Tarmac. Tarmac Building Products, the last part of the business still wholly owned by Anglo-American, was acquired by Lafarge Tarmac in April 2014. Tarmac Group consisted of Tarmac Building Products, Tarmac Middle East and 50% of Lafarge Tarmac. Tarmac Building Products was the largest supplier in the United Kingdom of heavy building products. It supplied aircrete
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