purging russian

• проду́вка

  blowing through, purging, air blast

  scavenging

  blowdown

• вычища́ющий

  cleaning out, purging, scouring, cleansing

• подчища́ющий

  cleaning up, tidying up, correcting, purging

• прочища́вший

  clearing, purging, cleaning out

• вычища́вший

  who was cleaning out, that was purging, who had been clearing