laboratory, medical, medicine
gas, laboratory, research
microscope, slide, research
laboratory, medical, medicine
book, bible, pages
books, reading, literature
paragliding, paragliders, aircraft
croatia, cres, port
berlin, university, college
source, xuefeng
virtual reality, information technology, research and development
ny-ålesund, warning sign, icebear
the, case, study
laptop, to learn, school
frog, studies, fish
calculator, maths, mathematics
