Human waste is likely safe to drink, after being put through a lengthly purification process.
She used a water purification tablet to make the stream water safe to drink during her camping trip.
you should use the purification way to purify the water
the water went throught a purification process.
purification in africa is bad
(Lustration is a purification rite in some alternative religions.) The lustration ceremony was held regularly for the members of the temple.
water
i do not have any answer,i want the answer
Sweating, detox and skin purification
Micropur tablets are easy to use water purification tablets. These are safer for water purification compared to both iodine or chlorine.
i ate my brothers cat
because plant use chlorine as nutrient
seed purification
from the use of charcoal