Ib tsob ntoo dag yog ib yam khoom uas ua raws li tsob ntoo ntuj nrog cov khoom siv hluavtaws, feem ntau siv rau kev kho kom zoo nkauj, kev zoo nkauj, lossis ib puag ncig. Cov ntoo ntoo tuaj yeem ua los ntawm cov khoom sib txawv xws li hlau, yas, ntaub lossis ntoo. Txawm li cas los xij, cov khoom siv feem ntau yog yas, tshwj xeeb tshaj yog polyvinyl chloride (PVC) lossis polyethylene (PE).
Ob leeg PVC thiab PE yog cov thermoplastic polymers uas tuaj yeem ua rau cov duab sib txawv thiab xim. PVC yog cov khoom qub thiab tsis tshua muaj nqi thiab feem ntau yog siv los ua cov koob ntawm cov ntoo dag los ntawm kev txiav cov nplooj ntawv PVC thiab txuas rau cov hlau hlau. PVC koob yog tiaj thiab tawv thiab tuaj yeem khaws lawv cov xim rau lub sijhawm ntev. Txawm li cas los xij, PVC kuj muaj qee qhov tsis zoo, xws li nws yooj yim poob tawm, tso tawm cov pa phem thaum hlawv, thiab muaj cov tshuaj phem xws li txhuas lossis phthalates.
PE yog cov khoom siv tshiab thiab kim dua thiab feem ntau yog siv los ua cov ceg ntoo thiab cov koob ntawm cov ntoo dag los ntawm kev txhaj tshuaj PE rau hauv pwm los ntawm cov ntoo tiag. PE ceg thiab koob muaj qhov tseeb thiab muag muag, uas tuaj yeem ua raws li kev ntxhib los mos thiab kev hloov ntawm cov ntoo ntuj. PE kuj muaj qee qhov zoo xws li ua kom ruaj khov, tiv taus hluav taws thiab ib puag ncig zoo.
Qee cov ntoo ntoo tuaj yeem siv ua ke ntawm PVC thiab PE cov ntaub ntawv los ua kom sib npaug ntawm tus nqi thiab zoo. Piv txwv li, qee cov ntoo dag siv tau PE rau cov stems sab nrauv thiab PVC rau cov stems sab hauv, lossis PE rau cov lus qhia ntawm cov koob thiab PVC rau lub hauv paus ntawm cov koob. Qee cov ntoo dag kuj tseem siv tau lwm cov ntaub ntawv los txhim kho lawv cov tsos lossis kev ua tau zoo, xws li npog fuzz los tsim cov nyhuv snow, lossis fiber ntau optics los tsim teeb pom kev zoo.
Yog li, cov ntoo ntoo puas tuaj yeem rov ua dua tshiab? Cov lus teb rau lo lus nug no yog nyob ntawm seb cov khoom siv li cas cov ntoo dag yog tsim los ntawm thiab seb puas muaj cov khoom siv rov ua dua tshiab tsim nyog hauv koj cheeb tsam. Feem ntau, cov ntoo ntoo tsis tuaj yeem rov ua dua tshiab. Qhov no yog vim cov ntoo dag yog tsim los ntawm kev sib xyaw ntawm cov ntaub ntawv uas nyuaj rau kev sib cais thiab ua haujlwm. Tsis tas li ntawd, cov yas siv hauv cov ntoo ntoo feem ntau yog PVC, uas tsis tuaj yeem siv dua thiab tsis degrade hauv cov chaw pov tseg.
Txawm li cas los xij, yog tias koj xav pov tseg cov ntoo dag uas koj tsis xav tau, koj muaj qee qhov kev xaiv:
- Kev pub dawb: Koj tuaj yeem pub koj cov ntoo dag rau cov neeg lossis cov tsev uas xav tau. Piv txwv li, koj tuaj yeem pub koj cov ntoo dag rau hauv ib cheeb tsam kev siab hlub, tsev teev ntuj, lossis khw muag khoom noj khoom haus, uas yuav rov muag lossis rov siv dua. Koj tseem tuaj yeem tiv tauj cov tsev kawm ntawv hauv zos, tsev qiv ntawv, lossis lwm lub koom haum uas tuaj yeem txais koj cov ntoo dag thiab siv rau lawv tus kheej kho kom zoo nkauj xyoo tom ntej.
- Rov siv dua: Koj tuaj yeem rov siv koj cov ntoo dag thiab muab lawv siv tshiab. Piv txwv li, koj tuaj yeem txiav cov ntoo dag rau hauv me me thiab siv los ua garlands, garlands, lossis lwm yam khoom siv tes ua. Koj tuaj yeem hloov cov ntoo dag rau hauv lwm cov duab lossis cov qauv thiab siv los kho koj lub tsev lossis vaj. Koj tseem tuaj yeem khaws cov ntoo dag thiab siv rau cov sijhawm tshwj xeeb lossis kev ua koob tsheej xws li Halloween, tshoob, tog thiab ntau dua.
- Kev pov tseg: Yog tias koj tsis tuaj yeem rov ua dua, pub dawb lossis rov siv koj cov ntoo dag, koj yuav tsum muab pov tseg raws li cov thoob khib nyiab. Txawm li cas los xij, koj yuav tsum kuaj xyuas seb puas muaj cov cai tshwj xeeb lossis cov cai hauv koj cheeb tsam ua ntej ua li ntawd. Piv txwv li, qee thaj tsam yuav txwv qhov loj lossis tus naj npawb ntawm cov ntoo dag, lossis xav kom koj tso lawv ntawm lub sijhawm tshwj xeeb lossis qhov chaw. Koj yuav tsum xub tshem tawm cov khoom dai lossis teeb pom kev ntawm tsob ntoo dag kom tsis txhob muaj kev nyab xeeb lossis kis kab mob.
