English to Lithuanian Tech/Engineering Construction / Civil Engineering Operating instructions, identification of dangerous substances

Never enter the fermenter, in deposits, pits or shafts , sedimentation pits, percolate , etc..
without protective equipment and without proper ventilation measures
• Respiratory protection: Entering existing biogas atmosphere only with self-contained breathing protective equipment, eg fresh air intake hose unit and rescue and emergency equipment permitted (see work instruction "Working in biogas-exposed closed areas")
• When working with percolate or substrate any ignition sources are to be avoided .
• Gas jet devices off
• Smoking and open flames are prohibited
• No light sample
• No welding and cutting work carried out , sparks, welding beads can also fall into more distant pits
( If such work absolutely is necessary , then ensure for good ventilation with a blower. Pits must be covered )
• Avoid all other possible sources of ignition .