Design and manufacture of Radiation Shielding and Viewing Products for the nuclear and medical industries. Radiation shielding windows, viewports, lead glass bricks, lead glass slabs, X-ray lead glass, clear lead acrylic. Refurbishment of radiation shielding windows including extraction, modification and reinstallation. Shielded hot cells, shielded gloveboxes. NQA-1 Quality Assurance Prorgam.