Working

работен

raboten

(suffices but requires additional work)

работещ

rabotešt

(functioning)

работещ

rabotešt

(in paid employment)

работнически

rabotničeski

(of or relating to employment)

действие

dejstvie

(operation; action)

действие

dejstvie

(method of operation)

обработка

obrabotka

(method of operation)

опериране

operirane

(method of operation)

ферментация

fermentacija

(fermentation)

функциониране

funkcionirane

(operation; action)