At Detail 02; there cannot be an exposed bolt head below the line of the finished transom enclosure.

在节点大样图02上，在横框盖板完成面的线的下面不可能会有一个暴露在外的螺帽。

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The American sprinter Tyson Gay finished second to Bolt in 9.71 and broke his own American record.

FORBES: Sport Makes Us Happy

Both are realistic 400m hurdles medal hopes in Delhi while sprinter Christian Malcolm, who finished fifth behind 200m champion Usain Bolt at the 2008 Olympics final, is hoping for one last medal shot in a Welsh jersey.

BBC: Welsh athletics given Commonwealth Games target

The 31-year-old has finished fifth in two Olympic Games at 2000 and 2008 - including when Usain Bolt broke Michael Johnson's world record in Beijing - plus fifth at the 2001 World Championships and fourth at the 2002 European Championships.

BBC: Christian Malcolm banks on major experience in Euros