Ntuj ua si yog qhov tsim qauv tshiab tshaj plaws, SPIRIT muab cov qauv tsim rau cov neeg siv khoom hauv tsev lossis cov kev xav tau.

Lub ntuj ua si cov khoom siv feem ntau yog 6 txoj hlua hlua, HDPE pawg thawj coj, Galvanized yeeb nkab thiab lwm yam.

SPIRIT muab kev tshaj lij 3D teeb tsa kev qhia ua si saum ntuj, thiab teeb tsa ua ntej hauv lub Hoobkas nrog cov vis dis aus thiab duab ua ntej ntim khoom. Thiab tseem muab cov kws tshaj lij sab nrauv rau kev teeb tsa nrog cov nyiaj hli thiab daim pib them nqi dav hlau.

Nws yog qhov zoo tshaj los tso ob peb yam khoom ua si nyob ib puag ncig ntuj ua si rau menyuam hnub nyoog 2 ~ 5.