Oakum
Oakum is a preparation of tarred fibre used to seal gaps. Its main traditional applications were in shipbuilding, for caulking or packing the joints of timbers in wooden vessels and the deck planking of iron and steel ships; in plumbing, for sealing joints in cast iron pipe; and in log cabins for chinking. In ship caulking, it was forced between the seams using a hammer and a caulking iron, then sealed into place with hot pitch.
Latch seal
A latch seal is a product which helps limit access to private facilities for people without permits. А high level of strength plastic is used for the manufacture of seals. In order to protect are used the unique number which is applied to the case and closing security seal design (an insert). There are various options for the application of a unique number: laser marking (you can’t change the number or erase), pad printing, engraving.