Informējam, ka Sistēma pielāgota darbam ar interneta pārlūkprogrammu Internet Explorer (8. un jaunākām versijām) un Mozilla Firefox (3.6 un jaunākām versijām).
Izmantojot citu interneta pārlūkprogrammu, brīdinām, ka Sistēmas funkcionalitāte var tikt traucēta.
WG 4 is responsible for the maintenance of EN 489, "Joints", according to valid resolutions, taking into consideration the necessary requirements for all types of joints for pipe elements related to the operation conditions and service life of the pipe system, including materials, assembling methods and field tests. WG 4 shall deal with joint for flexible pipes when WG 10 has produced a reasonably draft.