[skrbjc]

Seems unlikely the slaves would be doing things like painting frescoes and laying mosaic floors. That would more likely be from skilled craftsmen. My impression was that the slaves were probably used to run the bakery.

[hammock]

St. Kinga Chapel in the Weilizcka salt mine, complete with relief carving of the Last Supper, salt crystal chandeliers, carved statues and altars was entirely made by trade miners, not skilled scuptors. If you spend enough time in a mine you can get good at that stuff

https://en.wikipedia.org/wiki/Wieliczka_Salt_Mine

[lproven]

Been there twice. Absolutely astounding place... and the bit that's open to the public is I believe about 2% of the mine.

[angiosperm]

Slaves did anything in Roman society. Skilled workers from conquered places were enslaved. Slaves apprenticed under them. Slaves even ran all the government offices, and some got rich from bribes, buying their freedom, and eventually, some, their childrens'.

[vondur]

That is correct. Greek slaves were tutors to some of the most powerful people in the Roman government. Polybius was kept as a hostage in Rome for 17 years and was a close associate of Scipio Aemilianus, who sacked Carthage at the end of the Third Punic War.

[Almondsetat]

Slaves taught geometry and philosophy to emperors...