Cov lag luam tua hluav taws tsim cov khoom lag luam tiav lawm thiab tsim cov tshuaj yuav tsum tau ua haujlwm hauv kev sib tham sib txawv. Kev siv thaj tsam ntawm cov ntawv qhia kev ua haujlwm yuav tsum tsis pub tsawg dua 3.5 square meter. Thaum txhim kho thiab tsim lub pyrotechnics rhiab heev, lawv yuav tsum tau nqa tawm hauv kev cob qhia nrog thaiv phab ntsa (dike). Tsuas muaj ib chav.
Txhua zaus siv cov tshuaj ntau ntau, cov khoom lag luam ua tiav ib nrab yuav tsum xa mus rau cov chaw hloov khoom xa mus lossis chaw nyob tsim khoom hauv lub sijhawm.
Lub tsev ua haujlwm ua haujlwm ua haujlwm yuav tsum nyob ze rau ntawm lub qhov rais sill, thiab qhov siab ntawm lub rooj yuav tsum siab dua me ntsis ntawm lub qhov rais sill.
Cov tshuaj siv tshuaj yuav tsum ua cov ntoo, tooj liab, txhuas lossis lwm yam khoom siv uas tsis yog siv hluav taws xob, txhawm rau tiv thaiv kev siv hlau, thiab cov haujlwm ua haujlwm yuav tsum yog av nrog cov roj hmab phaj conductive.
Thaum tsim kho cov tshuaj, nws yog ib qho tsim nyog yuav tsum tau pw hauv av roj hmab plhaw conductive phaj ntawm qhov feem cuam tshuam.
Cov tswj hwm yuav tsum tsis hloov pauv cov qauv kev ua haujlwm yam tsis muaj kev tso cai los ntawm tus tub ceev xwm kev nyab xeeb.