abbreviation
acronym
atom
atomic
background
biology
card
chemical
chemistry
circle
concept
danger
design
education
electrical
electricity
element
energy acronym
energy acronyms
formula
hand
industrial
industry
lab
laboratory
model
molecular
molecule
nuclear fuel
oxide
oxygen
physics
placard
power
renewable
science
scientific
shape
structure
text
toxic
uox
uranium
uranium oxide
word