Tarmac Group Veatch) and was renamed TPS in 1998. Tarmac Professional Services also included a scientific and materials testing consultancy (Stanger), a facilities management company, specialist architects firms, and IT businesses. Housebuilding was progressively reduced in size until 1995, when Tarmac announced that the division would be sold. Later that year, Tarmac and Wimpey announced an asset swap whereby Wimpey acquired all of Tarmac's housing, and in return, Tarmac received Wimpey's construction and minerals divisions. The downsizing continued, and in July 1999, Tarmac demerged its construction and professional services businesses under the name Carillion. Months later, Tarmac, now back to its roots
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