Niaj hnub no, muaj coob tus neeg xav nyob rau hauv yuav ua li cas yuav ua rau dymovuhu ntawv. Nws yuav tsum tam sim ntawd yuav hais tias tus txheej txheem yog tej yam yooj yim, tab sis txaus ntshai. Yog li ntawd, yog hais tias koj ua tsis tau lub tswv yim ntawm cov kev kawm, nws yog ib qhov zoo tshaj plaws rau refrain los ntawm nws siv. Yog hais tias koj twv mus sim, ces yuav tau ceev faj heev thiab ua raws li cov lus qhia raws nraim.
Ua ntej ua dymovuhu ntawm daim ntawv, koj yuav tsum npaj tag nrho cov tsim nyog cov ntaub ntawv uas. Rau kev ua hauj lwm koj xav tau cov qub ntawv xov xwm, nitrate, yas lam fwj (rau yug me nyuam rau chiv), raws li zoo raws li tsev nyob rau cov khoom (koj muaj peev xwm siv lub tin tau ntawm ib tug muaj zog haus). Tam sim no peb npaj mus rau lub chaw tsim tshuaj paus rau daim ntawv impregnation tshuaj. Ua li no, nyob rau hauv ib tug liter ntawm dej yog yaj 300 g ntawm ammonium nitrate. Cov tshuaj yeeb dej caw yog ib co soluble, lub thawv yuav tsum tau kom huv si shaken. Tus nqi ntawm cov tshuaj nyob rau hauv lub xov tooj ntawm drafts.
Yog hais tias cov kua nto nyob ua npuas ncauj, nws yuav tsum tau muab tshem tawm. Tam sim no koj muaj peev xwm khi hauv lub raj mis sprayer thiab pib impregnation txoj kev los xij. Yog hais tias koj paub yuav ua li cas ua dymovuhu ntawm daim ntawv, tsis txhob hnov qab ua raws li kev ruaj ntseg cov kev cai. Tshuaj tsuag qhov zoo tshaj plaws ntawv xov xwm nyob rau hauv txoj kev. Lub nto rau uas los xij yog stacked, yuav tsum yuav tus thiab huv si. Lwm daim ntawv yuav tsum tau pw rau ntawm twb tiav.
Ua ntej ua dymovuhu ntawv Tshuag li on hnab looj tes, qhov ncauj qhov ntswg thiab goggles. Txij li thaum cov tshuaj yuav ntws los ntawm cov npoo ntawm cov ntawv, lub yav dhau los yuav tsum tau me ntsis ntub ua ntej yuav tom ntej no daim ntawv. Thaum tag nrho cov ntaub ntawv yog stacked thiab moistened nrog nitrate, yuav tsum tau muab thiab muab lawv ib tug zoo tsau. Cov kauj ruam tom ntej yog kom qhuav lub los xij. Ua li no, lawv muaj peev xwm cia li dai saum ntoo tuav. Txawm li cas los, nws yuav tsum coj mus rau hauv tus account qhov tseem ceeb fact tias nyob rau hauv txhua rooj plaub nws yog tsis yooj yim sua mus nqa tawm kev ua no nyob rau hauv lub hnub.
Tom ntej no, koj yuav tau kawm, nyob rau hauv qhov tseeb, yuav ua li cas yuav ua rau dymovuhu los ntawm cov ntawv xov xwm. Qhov no ua hauj lwm yuav tsis ntev ntev. Yuav pib nrog tag nrho cov los xij khoov ib tug ob peb lub sij hawm nyob rau hauv nruab nrab. Ntxiv mus, txhua lub caij yuav tsum tau heev nruj ntswj li rau hauv nruab nrab. Rau ntawm no theem, lub ntsiab yog nested ib hauv lub lwm yam, nrog yuav tsum tau xyuas kom meej tias lawv yog nias nruj nreem li sai tau.
Thaum koj tsij mus rau hauv lub kawg dov daim ntawv, koj yuav qhwv rau daim kab xev khoom. Ntawv uas yuav xauj tawm los ntawm lub hnub, koj xav tau ib tug zoo rhais nyob rau hauv. Nyob rau hauv hauv paus ntsiab lus, ces cov khoom yog npaj txhij rau kev siv, tsuas yuav tau ntxig ib tug me me wick rau zes. Yog hais tias koj xav mus dymovuhu ntawv zoo zoo, koj muaj peev xwm ntxig rau nws rau hauv ib tug tin poom. Yuav kom qhov no kawg, lub tsev saum toj kawg nkaus rau txiav. Thov nco ntsoov tias cov ntawv xov xwm parcel yuav tsum haum snugly rau cov phab ntsa hauv lub tsev nyiaj. Yog hais tias cov kis nruab nrab ntawm lawv nyob, ces dymovuhu yuav tsum ntxiv muab daim ntawv.
Thaum lub sij hawm kev lag luam, yuav tau ceev faj heev, vim hais tias nitrate yuav ua tau phem rau koj noj qab haus huv. Thaum lub sij hawm siv, checkers yuav tsum ob zaug raws li ceev faj thiab kom yog. Tsis txhob ua hauj lwm tsis muaj kev tiv thaiv cov khaub ncaws!