A film crew making a video of the galvanising process in the zinc galvanising shop in Number 1 Boiler Shop in Chatham Dockyard. A man in overalls is standing by the galvanising tank which has a cloud of vapour or steam above it. The film crew are on the left of the picture with one operating the camera and another holding a floodlight to facilitate the filming. Another technician is holding up a floodlight on the right side of the tank.