soldering welding 981 pájky (materiál) 12 mechanical engineering 5 material jointing 4 biologická analýza 3 cast irons 3 more ... drinking water 3 cutting 3 electronic circuits 2 alluminium 2 metallurgy 2 sticking 2 analytical chemistry 1 bezolovnaté pájení 1 portioning of material 1 electronic elements 1 electronics 1 electrotechnics 1 metallurgical raw materials 1 hutní výrobky 1 integrated circuits 1 metals and alloys 1 alloyed cast iron 1 glues 1 mineralogy 1 assembly 1 tool steels 1 steel 1 repairs 1 less ...