I feel bored today.

Using brass knuckles is prohibited.

Bacteriological tests are conducted in the laboratory.

I want to work in the field of psychiatry.

I work in the bacteriology laboratory.

She used a firkete to tie up her hair.

Virological research can help in the discovery of new viruses.

I want to work in the field of virology.

Pedology is a branch of soil science.

This antigenic substance triggers the body's immune response.