Time: 02:10CR - school - chemistry - laboratory - test tubes - sodium explosion
Time: 08:21CR - Plzeň - science - health care - Bioptical laboratory - scientist - test tube - analyse - disease
Time: 15:31CR - industry - science - chemistry - laboratory - scientist - flask - test tube
Time: 01:57CR - health care - epidemiology - microbiology - Aids - hiv - file - test tube - doctor
Time: 03:15CR - Prague - science - education - chemist - laboratory - test tube - experiment - student
T|ime: 06:14CR - education - school - medical - chemistry - anatomy - test tube - plastic model
Time: 03:30CZ - education - Brod - laboratory technician - chemistry - experiment - test tube - burst
Time: 06:41CZ - science - research institute - laboratory technician - sample - analysis - spectroscope - test tube
Time: 07:42CZ - science - research institute - laboratory - chemist - solution - test tube - experiment - chemicals
Time: 05:20CZ - health care - bioptic - laboratory - technician - test tube - gynaecologist