Ключевые слова: apprentice, biology, chemical, chemistry, concentration, dna, doctor, engineer, equipment, experiment, expertise, female, genetic, glove, health care, horizontal, injecting, laboratory, medical, medicine, molecular structure, molecule, occupation, operating, protective, research, sample, scientific, scientist, student, study, technician, technology, test, trainee, using, virtual, white collar worker, work wear, working,