Not at all. Home handymen can attempt this simple repair themselves.
No
No, you do not need a plumber to change a bathroom fixture. If you are not experienced with repair, it would be in your best interest to hire a plumber. If you are experienced, however, there are many sites online that will instruct you on how to change the fixture.
None, he is a plumber
No, it is not illegal to change a lightbulb in Australia.
It is believed that the Australian deserts were once covered with polar ice. The island has shifted with the tectonic plates which has caused wind patterns to change as well. It is believed that the deserts formed gradually over this time.
how did Charles Martel change western civilization
Unless you are VERY comfortable working around gas - call a plumber your life is worth more than a plumber will charge you.
no, unless it will be change
No, convicts were never sent to South Australia. Originally, they were not going to be sent to Western Australia (the Swan River colony) either, but the residents of that colony asked for convict labour - hence the change.
To change a kitchen faucet, you will need a wrench, pliers, plumber's tape, and a new faucet.
Australia did change the legal age for smoking in 2009.
It is not difficult to change a wax ring,but you should consult a plumber to make sure there is no other damage.