abstract

analysis

assistant

biology

boiling

caucasian

cell

chemical

chemist

chemistry

clinical

clothing

coat

cold

container

cool

cryogenic

cryopreservation

danger

dry

education

equipment

experiment

flask

freeze

glove

healthcare

ice

lab

laboratory

liquid

man

medical

natural

nitrogen

research

science

scientist

smoke

steam

technology

temperature

test

tube

water

white

woman

working