Hydraulic pulse can prevent or inhibit the blockage formation near the sidewall or perforation, which is a dynamic blockage removal project.

脉冲作用可以使井壁周围或炮眼附近堵塞物不能形成或抑制其形成，为一种“动态解堵”工程。

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The removal project of the steel reinforced concrete structures of the old sluice gate in Quangang adopted the controlled blasting technique.

泉港老闸的钢筋混凝土结构拆除工程采用了控制爆破技术。

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The project also involved the removal of about 30 non-native cypress trees near the Langwathby treatment works.

BBC: Work to boost river water quality

Officials say the World Bank wanted certain conditions to be met before it could revive the loan, including the removal of some Bangladeshi officials linked with the project.

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Speaking at a meeting the council's Conservative leader Stephen Parnaby said the work would still go ahead but they would "re-phase the scheme", with the removal of the cobbles left until the end of the project, "to allow further discussions with stakeholders to take place".

BBC: East Yorkshire town's cobbles removal delayed for talks