Ключевые слова: acid, aids, analysing, analysis, biochemistry, biology, biotechnology, blood, chain, chemical, chemistry, close, closeup, crime, criminal, criminologist, criminology, deoxyribonucleic, doctor, drop, equipment, evidence, forensic, gun, handgun, hiv, lab, laboratory, lady, liquid, medicals, medicine, pcr, pharmacy, pipette, pistol, police, polymerasis, reaction, result, sample, science, scientific, swab, technician, technology, test, tube, weapon, woman,