1. Wanpela bikpela wok glasim bilong ol mekanik sil.
na tu, ol samting bilong helpim ol samting bilong helpim ol man na ol paiplain i pinis, maski ol teknikel samting i mas kamap;
2.…mekanikal sil pastaim long stat bilong statik presa tes
sekim mekanik sil i likim samting i lik.
Sapos lik i moa, i mas painim aut ol as bilong traim long rausim. Sapos em i no wok yet, em i mas bruk na instalim gen{{1} jeneral statik presa tes presa wantaim 2 i go long 3 kg / skwe sentimita;
3.presim pam bilong tanim ka, sekim sapos lait i wankain —1}}
Sapos kart i hat o i no muv, yu mas sekim sais bilong asembli i no stret, instolesen i stret.