operation (2)
töö (3); talitlus
olemus
Wiktionary:
1. the method by which a device performs its function.
It is dangerous to look at the beam of a laser while it is in operation
operation (2) töö (3); talitlusolemus
Wiktionary:
1. the method by which a device performs its function.
It is dangerous to look at the beam of a laser while it is in operation