Cov kauj ruam teeb tsa ntawm ib vas vasrololine tsuas yog suav nrog cov ntu hauv qab no:
Sib dhos cov puag ncig hluav taws xob: ua ntej, sib sau ua ke ntawm cov puag ncig, uas yog qhov yooj yim ntawm cov trrampoline.
Txhim kho cov ceg txhawb nqa: Tom ntej no, nruab ob txhais ceg U-puab raws li cov qauv txhawb nqa ntawm trampoline.
Txhim kho cov ntaub qhwv cov ntaub thiab springs: Nruab cov ntaub qhwv thiab springs ntawm lub puag ncig kom ntseeg tau tias lawv nyob hauv qhov chaw raug.
Txhim kho cov chaw tiv thaiv thiab cov kab tiv thaiv thiab cov kab tiv thaiv kev nyab xeeb, nws yog ib qho tsim nyog los nruab cov kab tiv thaiv thiab cov chaw tiv thaiv kom ntseeg tau tias muaj kev tiv thaiv ib puag ncig cov trrampoline.
Ua tiav cov kev teeb tsa: Thaum kawg, nruab rau kab rov tav thiab lwm qhov zoo nkauj kom tiav tag nrho cov teeb tsa ntawm cov trrampoline.