Minitype power unit with diesel and propeller is widely used in aviation model, unmanned scout and target drone.

航模、无人驾驶侦察机和靶机等飞行器经常采用带螺旋桨的活塞式小型动力装置。

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The model scout immediately recommended her to an agency in Moscow.

WSJ: Natalia Vodianova Moves Beyond the Runway

Up to that point, she had been more interested in ballet and sports than fashion, but a model scout in that audience approached Karlie afterward about taking her strut more seriously.

WSJ: The Kloss Family | Meet the Parents