1.   He also suggested increasing the fines for violations of maintenance on ventilation equipment.

2.   Investigators have blamed negligence and faulty ventilation equipment.

3.   Many mines are poorly run, lacking adequate fire and ventilation equipment, and safety regulations are spottily enforced.

4.   No emergency ventilation equipment was available and the doctor was not experienced in resuscitation procedures.

5.   Small, often unlicensed mines that lack proper safety and ventilation equipment are blamed for the majority of deaths.

6.   Taipei fire chief Chen Fa-she said noise from ventilation equipment may have drowned out the sound of the bell.