zváranie elektrickým oblúkom 11 Exclude matching results zváranie 4 Exclude matching results electric welding 3 Exclude matching results zváranie v ochrannej atmosfére 2 Exclude matching results arc welding with protective gas 1 Exclude matching results electric transformers 1 Exclude matching results požiare 1 Exclude matching results spájkovanie 1 Exclude matching results termomechanika 1 Exclude matching results thermomechanics 1 Exclude matching results transformátory 1 Exclude matching results welding 1 Exclude matching results úrazy 1 Exclude matching results