For more than 15 years, Mr Fong went underground.
As the founder of a construction firm that specialises in geotechnical engineering services, he toiled at making sure that the soil is stable enough to be built on. But a few years ago, he threw in the towel.
"Contract prices were dropping to such low levels and profits were paper-thin. It was highly risky to take on such business," Mr Fong, who is in his 60s, told The Straits Times.

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