This is a diy site , easy to clean and protect.
Coat a half lemon in salt and gently rub it on the copper. The acid removes tarnish while the salt provides mild abrasion. Note: This will remove the patina in that specific area.Many manufacturers of natural-finish copper tubs recommend applying...
I used a battery powered beard trimmer , last six months on two AA batteries. No charger required .Doubt you can future proof anything .Imagine contactless chargers will be here soon for everything .
I think spring goes below the brass thumb turn pin to lock it in open or closed position , it only works one way round so you may have to turn it over .
Yes I know where it goes , but I’m don’t have one to show you and I doubt you would understand directions, hence the video search which produces exactly what you need .Did it not occur to you to mention the brand? As they all vary in design .