ANTI DOPING TEST TUBE / 50cc Analysis collections vessel - analysis security collections vessel 1) Insert the organic liquid to be analysed and close turning strongly the cap 2) Put the adhesive seal on the cap, in such a way that its edges stick to the plastic surface of the tube 3) Insert the test tube in the plastic protection 4) Insert the top plastic cap in the fittings, so that the container is ready to be sealed 5) The cable must pass first through the 4 holes and then in the locking mechanism. Turn the coloured part of the seal at least three times and then break the handle. Now the content is sealed and safe.       You can guarantee the safety of the external closure by TWISTSEAL a plastic seals (progressive numbering, 7 digits). Once you will have closed and sealed with our TWISTSEAL it becomes impossible to open without leaving visible traces. MORE INFO ANTI TAMPERING: Multiple security devices assure the integrity of the containers ANTI INTRUSIVE: The choice of material (modified polypropilen PP-RCP F10) together with the thickness of the containers (not less than mm 2,5) prevent breaches by blunt objects such as points, needles and so on CONFORMITY: The containers are made in thermoplastic material,  with conformity to CEE directive 90/128 about plastic materials to be used in contact with food, and have obtained consequently the CE mark SINGLE USE: These supplies are meant to be used just one time - this allow you to spare the costs of washing, sterilization, warehousing distribution costs.