In 2011, there were 6,767 new cases of oral cancer in the UK: 4,510 (67%) in men and 2,257 (33%) in women, giving a male:female ratio of around 20:10.[ 1-4 ] The crude incidence rate shows that there are 15 new oral cancer cases for every 100,000 males in the UK, and 7 for every 100,000 females.
A strut is a structural component designed to resist longitudinal compression. Struts provide outwards-facing support in their lengthwise direction, which can be used to keep two other components separate, performing the opposite function of a tie.
Conventional roof framing. Roof struts. The struts are needed in the roof frame to transfer the loads from underpurlins and other beams to the load bearing walls. Struts should be adequately supported over studs in timber walls. They should have anti-slip blocks, where necessary, to prevent them sliding horizontally.