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Unit 2

Metrology: how?

I Read and memorize the following words and word –
combinations:
arbitary -- довільний
to evolve – розвиватися
to collaborate – співпрацювати
to maintain – підтримувати, зберігати
to uphold – захищати
to drift – дрейфувати, відносити вітром
dissemination -- розповсюдження
legislation – закон , законодавство
diffusion (of units) – розповсюдження, дифузія
canton – кантон, округ
verification – перевірка
domain – область, сфера
primary – початковий, основний.

II Read and translate the text.

The organization of metrology cannot, and must not, be arbitrary.
It can, and it must, evolve. It ever tends towards being more universal,
which explains the success of the metric system that has become the
International System of units (SI). Coherence, on which legal
metrology in particular depends, has to be ensured at the international
and national levels. International coherence means an SI resting on
sound scientific bases and comparisons of the national standards of the
different countries. For about 30 years, regionalization of the world
has been witnessed. Regional organizations that bring together
national organizations have been created, and this allows a keener
harmonization which makes the user’s task easier. Europe set an
example by creating EUROMET in which the European National
Metrology Institutes collaborate. It has also created European
cooperation for Accreditation (EA) which brings together the

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