?  DWPC is a highly professional job.
Need to have DWPC qualification certificate, which is approved by DWIVC. DWIVC only hire employees who have DWPC qualification certificate.
?  After formal training and practice, DWPC can obtain the qualification certificate
   DWIVC provide free vocational training and practice, allowance part accommodation and transportation expenses, but DWIVC don't pay salary and other expenses during the training and practice period.