CLASSIC Two-seat pupil's table with adjustable parameters of height and inclination of the lid, type 2

The table is made on a metal frame using 16mm thick E1 emission class LDFP. The surface of the table can be lined with chemically moisture-resistant plastic. The edges of the cover are rounded with a radius of 30 mm. Elements of the table made of chipboard are lined with impact-resistant PVC edge 0.4-2mm. Fastening of the headboard to the frame with the help of 7x70mm Euroscrews. The lid is fixed to the frame with M6 screws through card hinges and a tilt lock, which allows you to set its angle from 0 to 19? with fixation in several intermediate positions with a step of 2-3?. The cover is equipped with an aluminium profile at the bottom.
The frame parts are made of steel square tube 25x25x1,2 mm and are connected with each other by arc welding in protective gases. Adjustment of height groups is carried out by moving the upper part of the support relative to the lower one with fixation of the position by screws and threaded sleeves. The frame is painted with protective polymer powder enamel. The ends of the pipes are plugged with plastic plugs.