These three levels of engagement each have their own specific value, while being complementary and synergistic. For example, small-scale explorations can reveal needs for developing new themes that can lead to large-scale action based on appropriate roadmaps.

In the case of tourism, there is clear added value in taking initiative at the Union-level especially in the following areas: the consolidation of the knowledge base by the means of pan-European surveys and studies to better understand the demand and the supply side, without which data comparability and consistency across the Union would not be achieved[3]; the development of joint transnational promotion strategies of Europe as home to high quality and sustainable tourist destinations[4]; the identification of best practices that can benefit specific sectors, such as maritime and coastal tourism; as well as the extension of the touri ...[+++]sm season, which could be done better with exchanges between different Member States than by each country individually.

3.2.7. The zero and span of the gas analyser must be calibrated before any test according to manufacturer instructions.

An equivalent scale is generally expressed as an integer value expressing the scale denominator.

Created in May 1998, the work of the groups proceeds in two phases: to locate the problems, people on targets questionings (May 1998-janvier 99) then, the design of training and information resources intended for « confidence mediators » (February 1999-juin 99). Once these resources are designed and tested, they will be placed at the disposal of all by the Commission. Until now, each group has worked autonomously, on basic concepts (property, exchange value, value scales, price fixing, intermediation of the currency, monetary creation).

Historically, the processing has been driven by low-cost economies of scale, not value-added economies of scale.