Da farko dai, zaɓin fam ɗin isarwa a cikin tashar hadawar kwalta dole ne ya cika buƙatun matsakaicin adadin kwalta na zub da lokaci a kowane lokaci naúrar, tsayin tsayi, da nisa mafi girma a kwance. A lokaci guda, dole ne a sami takamaiman adadin fasahar fasaha da ikon samarwa, kuma daidaitaccen ƙarfin samarwa ya fi dacewa sau 1.2 zuwa 1.5.

Abu na biyu, manyan tsare-tsare guda biyu na tashar hadakar kwalta, motsi da na'ura mai aiki da karfin ruwa, dole ne su kasance na al'ada, kuma dole ne babu wani sauti mara kyau da rawar jiki don guje wa babban taro da dunkulewa a cikin kayan aiki, in ba haka ba yana da sauƙi a makale a abinci. tashar jiragen ruwa na tashar hada-hadar ko kuma a toshe shi saboda baka. Wani batu kuma shi ne, idan tashar hada kwalta ta kasance a wuri guda, bai dace a yi amfani da famfunan tuka-tuka da yawa daga masana'antun da yawa ba, don guje wa yin illa ga aikin da ya saba yi.