Use the appropriate equipment, such as a hydraulic grappler, to lay sewer pipes into a prepared trench. Coordinate with a co-worker to manoeuvre the pipe so as to fit securely on the previously installed pipe. Push and wiggle the pipe if necessary to create a seal.
DADOS FORNECIDOS PELA ESCO (COMISSÃO EUROPEIA) E O*NET (DEPARTAMENTO DO TRABALHO DOS EUA)