Cov kav hlau yuav tsum tsis ncaj rau hauv av, cov hlau phaj los yog cov pob zeb ua vaj tse. Qhov kev ncua deb ntawm thawj txheej ntawm steel kav thiab hauv av yuav tsum tsis pub tsawg tshaj 0.20 m. Yuav kom tsis txhob muaj kev phom sij, plua plav thiab cov pa phem ntawm cov kav dej, cov kav dej (lossis cov kav ntawm cov kav dej) yuav tsum tsis txhob muab tso rau hauv tej qhov chaw uas muaj plua plav los sis av. Ob leeg cov kav hlau yuav tsum muab nrog cov ntawv yas los yog lub hnab ntim khoom tiv thaiv kom txhob muaj plua plav tawm.
Lub racks lossis hoes yuav tsum tau muab kho kom haum nrog tus kos cov cim. Cov yeeb nkab steel yuav tsum tau muab tso rau hauv qhov khib nyiab uas tau teev tseg los yog txoj hauj lwm raws li lub tshuab ua kom sov (tooj npawb), ntau yam, specifications thiab materials. Cov kav hlau ntawm tib qho loj (lossis zoo sib xws) thiab ntau yam khoom siv thiab ntau hom chaw rauv taws yuav tsis pub muab khaws cia rau hauv khib nyiab lossis qhov chaw.
Yuav kom tiv thaiv kev khoov ntawm txoj hlua hlau los yog kev puas tsuaj rau cov yeeb nkab, cov yeeb nkab hlau (lossis cov kav hlau) yuav tsum tau muab tso rau cov neeg tsaug zog uas muaj qhov yoojyim thiab ua rau tib theem kom ntseeg tau tias ib kawg ntawm cov yeeb nkab yog sib dhos . Rau txoj hlua khauj khiab, txhuas roj hmab thiab cov hose sib luag, cais cov khoom hauv ncoo yuav tsum muab tso rau ntawm cov khaubncaws sab nraud povtseg. Tsawg kawg ob lub tsho yuav tsum muab tso rau txhua txheej. Cov neeg tsaug zog yuav tsum muab tso rau vertically thiab mus raws li vertically kom ncaj qha thiab ua kom sib haum. Yog tias cov yeeb nkab txhuam hauv qhov chaws txheej (nrog rau kev cai sab nraud) tsis muaj khib nyiab, txoj hlua ntoo yuav tsum tau zoo los yog lwm txoj kev siv los tiv thaiv txoj hlua hlau.
Cov kav hlau uas muaj kab txias uas tau txias lawm, tsis sib tw txias lossis qis qis tsis pub tuaj yeem khaws cia rau hauv cov cua qhib. Yog hais tias nws muaj kev txwv los ntawm cov zaub mov, tsim nyog tiv thaiv kev ntsuas thaum uas tsim nyog yuav tsum tau khaws cia rau hauv qhov cua kom tsis txhob txhuam cov cua nruab nrab xws li nag, daus, pos huab thiab ntau npaum cov plua tshauv cov kab yas.