mùgōng / xiān / yòng / zhíchǐ / cèliáng / chángdù / zài / zài / mùbǎn / shàng / biāochū / qiēgē / wèizhì

木工先用直尺测量长度，再在木板上标出切割位置。

The carpenter first measures the length with a straight ruler and then marks the cutting position on the board.