Teachers can also program and install experiment procedures on each workstation before the lesson begins via the network. Thus actual teaching time is significantly increased and sources of undesirable errors are eliminated. The configurations can be stored and are available at any time at the touch o f a button. Using the professional software, trainers can give a demonstration and broadcast it to each workstation. Interaction is also possible in certain circumstances. From the teaching workstation, teachers can professional monitor the status of all professional workstations in the classroom, and they can release or block functions for workstations, either separately or in groups. Teachers can also operate the tables’ folding technology from the central professional computer All experiments are documented in detail. This allows students to learn from their successes and failures, and provides a valid basis for assessing student performance. 13