digging a hole to eliminate the leakage of pipes in the middle of winter.

accident are asphalt cesspit city collector construction crash dig digging dirty discussing drove eliminate emergency equipment excavate group help helper hole industrial industry laboring labouring leakage line machinery maintenance man middle orange people pipeline pipes pit public reflective renovation repair retroreflective road sand service sewer special street technology urban utilities vest vests waistcoat water when winter work workday worker workers working