Economic integration refers to trade unification between different states by the partial or full abolishing of customs tariffs on trade taking place within the borders of each state (http://en.wikipedia.org/wiki/Economic_integration)
Cost incurred by the employer in the employment of labour. Includes all remuneration for work performed, fringe benefits, employers' social security expenditures, training costs, etc. together with taxes regarded as labour cost. (https://metadata.ilo.org/thesaurus/517432494.html)
Insect of the Coleopteran family of small dimension and with antennas of various forms, commonly known as wood-worms, and of which the largest representation is the Anobium Punctatum. Already in their larva state, they feed on substances containing wood. (Palazzo Spinelli. nd. anobiidae https://www.palazzospinelli.org/argomed/scheda-argomed-eng.asp?ID=107)