Some people sterlise their glass preserving jars and bottles either using a super-hot dishwasher setting or in the microwave (clean, rinse, leave the jars wet, put in the microwave on high for 60 seconds, remove with oven gloves and leave to cool).

Because I have  an aga I find putting the jars and bottles carefully in the top left oven for twenty minutes is the easiest way. 

Those without an aga can replicate this by simply heating their oven to 130°C.

Some people put newspaper on the oven racks but I never bother with this.

Take the glass out of the oven (with oven gloves of course) and leave to cool completely.

Fill with cold liquid or preserves.

Metal lids should be boiled for ten minutes. 

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