In 2010, the French window market suffered a decline of 4% compared to 2009 with a value of about 9 billion (5 billion relating to installation). The market was at its historical highest in the year 2005-2006, with 12.3 million windows sold, following a steady increase in the global market of about 4% per year between 2000 and 2006.

Question 31 What investigations are necessary to exclude secondary polycythaemia? Question 32 What is the management plan in a patient with secondary polycythaemia presenting with transient ischaemic attacks (TIA)? Question 33 Why do patients with polycythaemia vera have a tendency to bleed, even though 50% of them have an elevated platelet count? Question 34 In hyposplenic patients, what precautions are necessary for patients who intend to travel to Saudi Arabia for the Haj? Question 35 What is the mechanism of development of splenomegaly in chronic leukaemia? Question 36 In idiopathic thrombocytopenic purpura (ITP), thrombocytes are mainly destroyed in the spleen owing to an immune mechanism. Why, therefore, is there no splenic enlargement as there is with other diseases? Question 37 Where exactly is the Traub's space? How exact is the percussion of the Traub's space as a sign indicating the size of the spleen? Question 38 Can you please tell me the indications and complications of blood transfusion. Question 39 Several times I have read the phrase 'white blood cells elevated with a left shift'. I am wondering what 'left shift' or 'left deviation' stands for. Question 40 What is the clear definition of 'bleeding time' and 'clotting time'? And what are the applied differences between them?