sentences:  For example, the minimum amount can be increased from 6 m3 per month to 10 or even 15 m3 per month depending on the level of poverty and size of a household.Also, new prepaid meters still deliver a minimum amount of 40 liter per hour under low pressure after service is cut off.Furthermore, 1000 liter of "emergency water" can be used four times per year, for example to extinguish fires, even if bills should not have been paid.