| 摘要 |
A method for suctioning abrasive dust, wherein a surface is abraded; the abrasive grit created is suctioned using a suction tube in that negative pressure is created in the suction tube during the abrasive operation. The negative pressure is monitored by way of a measuring tube and the measuring tube is opened at least once in relation to the atmosphere during the abrasive operation. (21 -~ / -~ -~ /' / -a ('3 ii (5. N) |
