It's an interesting subject - the science behind it all - and what we take for granted when it comes to drinking water thats safe with the turn of a tap.
Another thing worth mentioning is communications - mobile phones might be ok in the big
centres but our OPTUS/VODAPHONE system were as useless as an ashtray on a motor bike
- a carrier pigeon is more reliable. Our friends had a TELSTRA pre-paid which s