This passage mainly talks about how to clean mattress.

This passage mainly talks about some ways to keep house tide and clean.

This passage mainly talks about the methods of cleaning the fireplace.

This article mainly introduces the function of bathroom ventilation fan and how to clean the ventilation fan and ventilation fan duct.

This passage mainly talks about about how to use a vacuum cleaner.

This passage mainly talks about the methods of unclogging the hose of vacuum cleaner.

This is a passage mainly talking about seven clever ways to use floor vacuum cleaners.