C. Vibration strike: it is used in drilling and casing with loosen sand, cobble stone and gravel layer etc.

振动击打：用于松散的砂、卵石、碎石地层的钻进及下套管等。

youdao

Skipper Adam Barrett tried to clear a weak Wordsworth strike but his foot stuck in the sand close to the goal and the ball dribbled over the line.

BBC: Sport - Football - Colchester 2-0 Southend

By his own account, he is trying to strike a more positive profile this go-round, obviously seeking to sand away some of the rough edges left over from his time in the national spotlight in the 1990s.

WSJ: Newt Gingrich Threatens GOP's Chance to Nab Independents