Provided is an apparatus for processing containers, in particular plastic containers and plastic parisons, including at least one processing device which processes the containers in a predetermined manner, and including at least one transfer device, which transfers the containers, individually, to the processing device in a transfer region and/or to which the containers are transferred from the processing device in a transfer region. At least one inspection device is provided, which is suitable and intended for visually inspecting at least a part of the processing device and or the transfer region at least at sections and completely, at least temporarily during a transfer process of a container.

A plant produces plastic films subjected to stretching. The plant includes a flat extrusion head made of polyethylene-based plastic material, first and second rollers forming a rolling press, and a third cooling/stabilizing roller. Molten plastic material/melt exiting the flat head passes through the first and second rollers before being directed onto the third cooling/stabilizing roller. The extrusion head has a width of 1,000-5,000 mm, the first and second rollers each have a diameter of 200-800 mm. The third roller has a diameter of 400-1,000 mm. The first and second rollers are made of ferrous material, with a conductive heat transfer coefficient of at least 15 W/(mK). The ferrous material is a construction steel with a chrome-plated and mirror-polished surface, having a roughness (Ra)<1 m, copper coatings, or coatings having thermal-conductivity and surface-roughness values corresponding to the rollers. The first and/or second roller has a deformable and non-stick coating.