Some 4,500 firms are now involved in racing, sports-car engineering and related functions such as event management.

大约有4,500家公司从事赛车，跑车工程及赛事安排等相关的工作。

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Some scholars have the safety system engineering theory and risk management in Australia, in a handful of firms try feel satisfied.

一些学者在澳大利亚有安全系统工程理论和风险管理的知识，因此少数公司对此感到很满意。

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There are still many sectors where Japanese firms are world leaders, based primarily on superior engineering, materials, manufacturing and quality management.

FORBES: Whither Japanese stocks: Komatsu