I have a built in gas cooker, that’s about 10 years old, its been working fine until the last two days, the k***s that turn the gas on and off have suddenly become very stiff and one wont turn at all unless I use a pliers to twist it,
I have no idea what’s wrong with them.
I clean the cooker after every use, k***s included.
Has anyone got any idea what’s wrong with it before I call my landlord out to check it?
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