Culture of Tunisia are boiled in the lower half. The top half has holes in the bottom through which the steam rises to cook the grain which is put in this part. Cooked this way the grain acquires the flavour of whatever is below. The usual grain is semolina. To serve, the grain is piled in the middle of a dish, and the meat and vegetables put on top. A sauce can be then poured over before serving. Like in the rest of North Africa, couscous is served on all occasions. It is traditionally eaten with lamb, the semolina must be very fine,
Slow steaming Slow steaming Slow steaming refers to the practice of operating transoceanic cargo ships, especially container ships, at significantly less than their maximum speed. An analyst at National Ports and Waterways Institute stated in 2010 that nearly all global shipping lines were using slow steaming to save money on fuel. Slow steaming was adopted in 2007 in the face of rapidly rising fuel oil costs (July 2007 to July 2008: 350 to 700 USD/tonne). According to Maersk Line, who introduced the practice in 2009–2010, slow steaming is conducted at . Speeds of were used on Asia-Europe backhaul routes in 2010. Speeds