Qhov chaw yog qhov tseem ceeb ntawm lub puam duab . Cov khau yog dab tsi? Yog tias koj tig mus rau lub hauv paus pib, cov nplais yog cov khau khiab zoo tib yam uas ua los ntawm cov khoom siv roj hmab. Thiab "slates" - qhov no tsis yog lub npe ntawm hom khau , tab sis lub nroog uas lawv raug tso tawm. Qhov tseeb yog nyob rau hauv lub Hoobkas nyob rau hauv lub cheeb tsam Leningrad, txawm nyob rau hauv Soviet lub sij hawm, lo lus "Slants" twb squeezed tawm ntawm ib leeg ntawm txhua khub. Feem ntau, qhov no yog tib zaj dab neeg uas tau tshwm sim ntawm cov khoom siv plhaub, uas yog hu ua pampers, thiab photocopiers, feem ntau hu ua Xeroxes.
Muaj nyob rau hauv cov poj niam cov txiv neej daim teb rau lub puam, koj yuav ua kom koj ko taw nplij siab. Cov khau no tsis qis, nws xis nyob thiab tib lub sij hawm nws zoo nkaus li zoo heev. Puam cov poj niam daim slates yuav tsum yog nyob hauv lub thawv yog tias koj npaj siab so rau ntawm tus seaside. Lawv yog ib qho zoo tshaj plaws rau cov khau khiab, moccasins thiab tag nrho cov khau ntaub ntau dua. Ua ntej txoj kev taug mus rau lwm nkawm khau lub caij ntuj sov, nws yog qhov zoo tsim nyog kom paub seb cov qauv twg yog tam sim no.
Kev nplij siab rau poj niam taw
Roj Hmab yog, kab tias, feem ntau cov khoom siv los ntawm cov kws lag luam ntawm cov khau khawm. Txij li cov chaw ntawm cov ntawv cog lus nce nrog txhua lub caij ntuj sov, cov qauv tshwj xeeb muaj cov qauv nkauj tshwj xeeb tshaj plaws rau cov ntxhais thiab cov khau tshwj xeeb hauv cov kev ua si thiab cov khau khawm. Li ntawd, nyob rau hauv cov khoom lag luam ntawm "Puma", "Nike", "Reebok" thiab "Adidas" cov poj niam daim slates rau lub puam yog nthuav dav hauv ntau.
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Tab sis lub npe nrov tshaj plaws hauv ntiaj teb no yog twv rau cov khoom siv niaj hnub no, uas muaj ntau qhov zoo hauv kev sib piv nrog cov pa roj carbon fiber ntau. Nws tsis pub leejtwg paub tias orthopedists tsis pom zoo kom taug kev rau hauv khau roj hmab ntau tshaj peb teev hauv ib hnub. Ib qho zoo tshaj plaws yog cov polyvinylchloride thiab croslite - cov ntaub ntawv niaj hnub siv polymer siv nyob rau hauv cov khoom ntawm cov khau. Zoo siab rau lub puam ntawm polyvinylchloride yog mos, zoo kawg yooj yim. Ntawm tus taw, qhov khau no yuav luag tsis paub. Pleases ntau ntau xim thiab tsim. Txawm li cas los xij, ib yam yuav tsum tau ua nyob rau hauv lub siab: lawv tsuas yog tsim rau lub zeb puam xwb. Qhov tseeb hais tias lawv yog cov muag heev uas cov ko taw xav tias txhua lub pob zeb. Tias yog vim li cas thiaj li so rau ntawm ib lub nkoj pebbled lossis da dej hauv lub hiav txwv nrog lub pob zeb hauv qab yuav tsum nruj dua. Tias yog vim li cas qhov kev daws teeb meem zoo tshaj plaws yog cov qauv uas ua los ntawm kev sib tw, cov tshuaj silicone los yog cov ntaub ntawv uas muaj ntsis zoo ib yam. Yog tias koj xav tau ib co phaj pebbly, koj yuav hnov qab txog qhov tsis xis nyob, uas feem ntau nqa pebbles uas khawb rau hauv ko taw.
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Shale qauv
Ib qho kev nplua nuj ntawm cov khau khiab qauv tau muaj ib khub haum khau uas tsis tuaj yeem muab piv rau lwm yam hauv kev yooj yim. Cov ntxhais uas npaj rau hauv cov av tsis yog mus rau tom hav zoov xwb, tab sis kuj yuav tau mus khw, taug kev raws ntug dej thiab so hauv chav noj mov, feem ntau xaiv cov khau khiab khawm uas khi ntawm cov taw nrog ib tus jumper ntawm tus ntiv tes thiab tus ntiv tes thib ob. Nws yog tsim nyog sau cia tias qee tus poj niam tus qauv no yog qhov tsis zoo.
Shales nrog ib los yog ob peb txuas hniav yog sib npaug hauv kev thov, uas, qhov tseeb, yog cov saum toj kawg nkaus. Cov neeg tsim kho lawv cov xim muaj xim, cov xim hlau, textile lossis roj hmab paj, ntau cov duab.
Yog hais tias qhov xav tau tsis yog rau kev taug kev xwb, tab sis kuj yog da dej, nws tsim nyog xaiv cov qauv uas muaj lub xauv rau ntawm pob taws. Nws tuaj yeem ua tau lub plhaub (monolithic or removable plab), uas, yog tias tsim nyog, yooj yim tsiv mus rau ntawm lub khau.
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