Lub sandbox yeej nyiam cov me nyuam yaus. Yog tias tus me nyuam hla lub thawv ntawv, ces nws yuav tas xav ua si hauv cov xuab zeb. Dab tsi yog khawv koob ntawm lub sandbox yog tsis paub, tab sis qhov tseeb hais tias nws yog txais nyob rau hauv nws yog ib qhov tseeb.
Tab sis feem ntau txaus rau cov niam txiv ntshai tsam lub xeev ntawm cov xuab zeb. Tseem, nws yog nyob rau hauv lub tshav puam, thiab muaj tsawg ntawm dab khib nyiab pov rau hauv nws, thiab lwm yam. Kev tu cev thiab kev nyab xeeb ntawm menyuam yaus yog qhov tseem ceeb tshaj plaws rau leej niam, yog li feem ntau cov menyuam yaus tsis raug tso cai ua si hauv lub thawv ntoo. Tab sis ua li cas yog tias tus me nyuam yeej xav ua sandwich kulichiki ntawm xuab zeb thiab paschki hauv daim ntawv ntawm cov nkoj ua? Tom qab ntawd los ntawm qhov teeb meem tam sim no muaj ob txoj hauv kev - koj tus kheej sandbox lossis sandbox hauv kindergarten.
Sandbox hauv qib kindergarten
Hauv kev xav, nyob rau hauv kindergarten yuav tsum nco ntsoov xyuas cov xuab zeb zoo, tab sis yog thaum muaj txhua yam no yuav tsum yog ob zaug saib koj tus kheej. Ua ntej, koj yuav tsum paub dab tsi xuab zeb yog siv rau kindergarten. Qhov zoo tshaj plaws thiab kev pom kev yog qhov dej xuab zeb, tab sis rau cov menyuam yaus cov menyuam yaus yuav tsum tau ntawv pov thawj, uas yog, koj yuav tsum tau txais ib daim ntawv pov thawj tias cov xuab zeb no muaj kev ruaj ntseg thiab tsis muaj cov khoom xiam oob khab uas yuav ua teeb meem rau tus me nyuam. Thiab nws yog ib qhov tsim nyog los taug qab cov kev ua xuab zeb hauv qib kindergarten, vim nws plays ntau ntau tus menyuam. Cov xuab zeb yuav tsum huv, koj tuaj yeem xyuas koj tus kheej, tsuas yog me ntsis "ua si" hauv nws. Tom qab qhov "kev ua si" tes yuav tsum tsis txhob qias, txwv tsis pub nws txhais tau tias cov xuab zeb yog laus los yog tsis zoo.
Yog tias koj muaj hmoo, cov xuab zeb hauv koj qib kindergarten yuav ua kom tau raws li cov kev cai ntawm kev tswj fwm, yog tias tsis yog, ces nws muaj kev nyab xeeb thiab zoo dua los kho koj tus kheej sandbox rau koj tus menyuam. Yog tias koj nyob hauv ib chav tsev thiab koj tsis muaj koj lub vaj, qhov kev daws teeb meem yuav tsum koom nrog lwm cov neeg txhawb siab los txhawb cov menyuam yaus lub sandbox hauv vaj tsev . Thiab nyob rau hauv hais tias, thiab nyob rau hauv lwm cov ntaub ntawv koj yuav tsum paub yuav ua li cas tu rau lub sandbox, yog li cia peb nrog lub ntsiab lus no.
Dab tsi yuav tsum xuab zeb nyob hauv cov xuab zeb?
Peb yuav tsom xam cov txheej txheem ntawm theem uas yog kauj ruam, ntawm cov ntsiab lus, kom nws yooj yim dua thiab to taub.
- Xaiv cov xuab zeb . Yog li, hom xuab zeb zoo li cas rau ib lub xuab zeb? Qhov kev pom tshaj thiab qhov muaj txiaj ntsig zoo tshaj yog qhov dej xuab zeb rau qhov xuab zeb. Nws yog heev huv, me me thiab qab ntxiag. Qee cov siv quartz xuab zeb rau hauv cov xuab zeb, tab sis qhov no tsis yog qhov tshwj xeeb tshaj yog, vim lub xuab zeb quartz yog ib qho kev txiav txim ntawm qhov loj tshaj qhov dej xuab zeb, thiab nws yuav tsum tau hloov ob zaug hauv ib xyoos.
- Qhov loj ntawm nplej ntawm xuab zeb . Feem ntau ntawm dej xuab zeb yuav txawv nyob rau hauv loj - me me (txog li 2 mm), medium (2-2.8 mm) thiab loj (2.9-5 mm). Muaj xuab zeb zoo tuaj yeem nkag mus rau hauv lub qhov muag ntawm ib tug me nyuam txawm nyob rau hauv lub teeb cua, yog li nws yog qhov zoo dua mus nqa xuab zeb nrog ib qhov loj me me ntawm 1 mus rau 2 hli - qhov no yog qhov kev xaiv tshaj plaws.
- Muaj pes tsawg leeg ntawm cov xuab zeb . Cov xuab zeb yuav tsum tsis txhob muaj av nplaum thiab hmoov av, sulfites, sulfates thiab sulphur. Tag nrho cov impurities yuav tsim teeb meem rau tus me nyuam, yog li koj yuav tsum ua tib zoo xyuas cov xuab zeb zoo, yuav tsum tau ib daim ntawv pov thawj los yog tsawg kawg ntawm qhov muag "txiav txim siab" qhov purity ntawm xuab zeb.
- Tus nqi ntawm cov xuab zeb . Ntau npaum li cas xuab zeb koj xav tau rau ib qho chaw xuab zeb? Qhov nruab nrab, ib qho chaw tso zis xav tau los ntawm 2 mus rau 4 cubic meters ntawm xuab zeb. Cov lus teb yuav tsum yog ua kom paub txog qhov loj ntawm cov xuab zeb.
- Yuav cov xuab zeb . Nqe lus nug tom ntej no yuav tuaj rau koj lub siab: "Kuv tuaj yeem tau txais cov xuab zeb rau qhov xuab zeb?". Muaj ntau ntau txoj kev xaiv. Koj tuaj yeem yuav xuab zeb hauv lub khw (tsis txhob hnov qab thov kom tau ib daim ntawv pov thawj xwv kom koj tsis txhob txwm siv xuab zeb tsim), koj tuaj yeem yuav xuab zeb hauv khw. Yog tias koj nyob ze ntawm tus dej, koj tuaj yeem khawb av koj tus kheej, qhov twg yog qhov koj yuav pom tseeb ntawm nws qhov zoo.
- Cov qauv kev huv huv . Yog li, cov xuab zeb rau cov menyuam yaus lub voj voog tau yuav, tau nchuav, tam sim no peb yuav tsum paub xam seb yuav tu li cas
sandbox:
- Hloov cov xuab zeb ob zaug ib xyoos twg xwv kom nws tsis muaj sij hawm kom tau lo av;
- Thaum hmo ntuj, yuav tsum muaj ib lub thawv rau sab nraud los yog ib lub hau tshwj xeeb, uas yuav muag tau nrog lub sandbox, los yog ib qho yooj yim ntawm tarpaulin;
- Ib cheeb tsam puag ncig ntawm lub xuab zeb yuav tsum tau tsim kho, raws li qhov no, ua ntej, yuav muab ib tug duab ntxoov ntxoo rau koj tus me nyuam, thiab ob zaug, tiv thaiv ib qhov av loj heev los ntawm cov xuab zeb.
Ua raws li txoj cai yooj yim, koj tuaj yeem tsim ib qho chaw zoo nkauj rau koj tus menyuam, uas nws muaj peev xwm ua rau nws zoo siab rau nws tus kheej thiab koj, vim tias koj paub tias tus me nyuam muaj kev nyab xeeb thiab ua nws nyiam - qhov zoo tshaj plaws hauv lub ntiaj teb.