Sentence examples for of roof collapse from inspiring English sources

For various reasons, such as high cost, lack of suitable boring implements, and fear of roof collapse, the use of black powder in mining did not spread rapidly, though it was widely accepted by 1700.

In this case there is a possibility of roof collapse occurring, although it is small.

The effect of roof collapse and other kinds of failure on the stability of mine ventilation system have been studied using a theoretical mine ventilation network.

Concerns for livestock dictated some farmer's actions when considering evacuation, but ultimately the death of animals, fear of roof collapse, and health concerns motivated most to evacuate.

According to experts, mining through a fault is very dangerous, because it significantly increases the risk of roof collapse, fire and other hazards.

In Villa la Angostura there were no reports of roof collapse over treatment sheds, and whilst water demand was raised the supply was not exhausted, unlike what is suggested by the Wilson et al. 2014a DDS.

The effect of roof collapses or area isolation on the air quantity distribution among the branches in the ventilation circuit is also investigated.

More than 250 people have died as a result of rain and flooding currently sweeping Pakistan, many as a result of roof collapses, reports say.

Officials in the Buffalo area of New York state have warned that the major concern now is the threat of roof collapses.

The cause was partly political — the state mine inspector's office was understaffed — and partly geological: the Rockies, in their chaotic rising, had left fractures in rock strata, which increased the chance of a roof collapse underground.

Of the roof collapse he said: "The cables which were to be set up for the data network were placed on the false ceiling and due to the weight of the cables the ceiling fell off.