11.   Fuad said the committee, which he chairs, had also recommended that iron pipes be planted into the dumpsite to allow the methane gas to escape.

12.   Installing vents will not extinguish the fire but will allow gas to escape, easing pressure and lessening the chance of an explosion.

13.   Most operate without even rudimentary safety measures or proper ventilation that would allow deadly gases to escape.

14.   The concern is that the growing lava dome will close the vents where gasses escape, setting the stage for a major explosion.

15.   According to TASR directors of the factory underestimated the situation when the gas escaped.

16.   Another serious risk is explosion because experts said it was not uncommon for gases to escape through micro-cracks in the hulls.

17.   With single hulls, these volatile gases escape harmlessly into the atmosphere but in the case of a double hull they would accumulate dangerously.