Teilansicht eines Ingenieurs, der Gläser mit Kies in der Nähe von Computermotherboards hält - Stockfoto & -bild

Close up portrait of medical research scientist taking note in laboratory room., Healthcare and scientists concept.

Pharmaceutical production of liquid pharmaceuticals or drugs in the pharmacy industrial

Professional conservator removing the dirt from reverse side of the antique oil painting canvas

Woman cleaning stainless steel gas surface in the kitchen with rubber gloves.

Female Scientist Wearing Gloves At Laboratory

Antique book restoration. Book restorer repairing damaged pages in an antique book

Restoring old oil painting, conservator removing varnish from an oil painting

Professional oil painting condition assessment, creating a report. Conservator taking preliminary notes for their condition report on an oil painting