"trossistopper" - 1 õppematerjal

18.Harjutustest

18. Kas mardus toimib õieti, selgita .................................................................... ...................................................................... ..................................................................... .................................................................. ................................................................. .................................................................... 19. Kas selliselt paigaldatud trossistopper peab pinge all olevat trossi kinni .............................................................................................................................................. 20 Milline on õioge trossilukkude paigutus 21. Mis on pildil valesti 5 .........................................................................................