inglês para português Tecn./Engenharia Engenharia (geral) Mining Equipment - excavators

O equipamento é uma escavadeira hidráulica usada em mineração. Nesta parte do texto o autor fala de procedimentos que não são permitidos com e ao redor da máquina, como por exemplo, cavar embaixo da máquina.

The practice of following working methods is forbidden:
• Batter pulling, also known as Scaling or Ripping,
• *****Double benching*****, also known as Split benching or Double flitching.

The practice of these methods will result in increased stresses to steel structures
and components of XXXX Mining Machines. It may significantly reduce
the expected lifetime of structures and/or components.

XXXX does not condone and does not approve the operation of XXXXXX Mining
Machines in this manner.

I found this video: https://www.youtube.com/watch?v=yckAwcEmDuo