I also agree that you can open the nearest valve to bleed air.
My suggestion is you call an expert. Because he has an experience and they give the best solution for it.
May be your MCB has less watt then your load in your home.
You can get Instruction Booklet online from company website.
You can check of the views of the people online on google or the client who take their services about this company.
I think yes but some time an non popular technician are done very well job.
You can check without cloths if still making noise you can call for repair person.
Yes, but only some of the part only can recycle and only by any machenic.
In this a automatic thermometer is installed which is detect high heat of the kettle and switch off the kettle.
You call call for help to the company and see website also or you can check any video on you tube.
According to some electrical laws we will not connected all heavy appliances in series. And If connected in series, current passes through all the household appliances at same time which are not functioning.
You can adjust by given button for this. You check in the manual.
You can download manual from company websites.
They will be many type of refrigerator problem when making noise. May be compressor will not working properly or any other also problem so i Suggest you for call a technician for permanent solution.
You check the website and click on the contact us button you get the all information about company.
You send a request to the company for manual by mail.
If pipe line is leaking more then you can change and if little bit leaking then you can fix with fixing solution.
You can search on internet or You can call the expert to fix it.
It depends upon the Quality and how much tone of Air conditioner you are putting in car.
You can switch off the Air Conditioner to melt down the ice and if problem is more complicated then you can call to mechanic