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to find by boring; boring; to find by | |||
to strike | |||
break in; collar; drill in; hole-in; spud (in) | |||
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to collar | |||
collar in | |||
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center-drill; open up by drilling | |||
strike (einer Wasserader); trepan (eines Rohres); start a hole; tap | |||
pilot drilling | |||
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collaring | |||
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centering drill | |||
center-bit |
anbohren: 2 phrases in 1 subject |
Chemistry | 2 |