There are different levels of hygiene.
Hive level.
Apiary level.
Own colony level.
And none.
Hive level is basically nothing goes into or onto the hive other than what has come from it, supers and all other kit is kept for that hive and hive tool and gloves are cleaned or replaced between all hive inspections.
Apiary level.
Everything stays in the apiary but things can be swapped between colonies, brood, supers gloves and hive tool are used on all the colonies in that apairy. Supers are labelled with the apiary name or number.
Own colony level is basically you use any kit on any colony you own. Brood etc can be swapped anywhere. Supers don't need labelling.
Ofc it all goes out the window when an emergency happens or people run low on kit.
I have a bucket of hive tools soaking in soda solution in the van and swap hive tools and wash gloves according to my hygiene level.
I won't allow visitors to use their own tools or equipment at any apiary and dirty bee suits are a big no.
If I visit another apiary then I use a different bee suit and gloves and the suit is washed and the gloves thrown away.
Any swarms are taken to an isolation apiary until brood can be inspected.
I have visited training apiaries where the same hive tool is used for all colonies and the beginners have turned up in minging leather gloves and bee suits covered in propolis etc from their own hives with no provision for washing anything on site, not even a bucket with soda solution in.
I have no problem sending people away that turn up in dirty suits or wearing dirty gloves. I will not allow nitrile over leather as the bees generally gather at the wrist area.
Although I keep bees close to a foulbrood triangle I have never had it.
The one thing people forget to clean is their pen/pencil, it gets used to make notes and goes from apiary to apiary getting stickier by the visit.
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