Free image/jpeg, Resolution: 235x235, File size: 14Kb, Blue work helmet with an atom picture with tags: Construction Industry, Education, Nuclear Power Station, Physics, Industry, Computer Graphic, Vector, Painted Image, Abstract, neutron, Electron, Biology, Atom, Chemistry, Sign, Protective Workwear, Particle, Molecule, Safety, Work Helmet, Job - Religious Figure, Protecti
