Maintenance
How to fix a leaking tap
Most of the time, if a tap in your home is leaky, dripping or hard to close it's the result of a broken washer. While it's possible that your leaking tap's a 'washerless' tap (i.e. one with a ball, cartridge or ceramic disc mechanism - see the 'Types of taps' article linked below), it's a lot less likely that these taps will be leaking like this. You can usually tell if you have a ceramic disc type tap because it'll only need a quarter or half turn to fully open the tap.
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Home theatre ventilation
Ventilation is essential in a home theatre room - but it needs to be achieved in such a way as to ensure that it doesn't create unwanted noise or light infiltration. Find out how to ventilate your home theatre.
Safe installation and use of gas appliances
If you're planning on installing a gas cooktop or other gas kitchen appliance, it's important that it's installed properly, and serviced regularly by a qualified gasfitter. Here's what to look for.
Luminous efficacy
Luminous efficacy determines how much light you get for the power you use - and there are huge differences between globe types.