Cov lus "net" thiab "tag nrho" yog tam sim no ruaj khov ua lus Lavxias. Tsis zoo li leej twg tsis paub tias cov "aliens" los ntawm Ltalis txhais li cas.
Lo lus "net" hauv kev txhais lus suab zoo li "huv". Hauv kev sib xyaw ua ke "net weight", nws muaj lub ntsiab lus raws li "net weight, tsis ntim lossis tare". Qhov tseeb, nyob rau theem no, kev paub txog lo lus qiv los ntawm tus neeg ua haujlwm feem ntau xaus.
Tab sis yog tias peb xav tias tsis yog qhov sib xyaw "net hnyav", tab sis, piv txwv li, cov lus "net khwv tau", ces qhov xaus qhia nws tus kheej: cov nyiaj tau los, uas yog, cov nyiaj tau los ntawm kev rho tawm tag nrho cov nqi thiab kev nqis peev. los ntawm cov nyiaj tau los tag nrho, nrog rau cov nqi ntawm cov khoom siv raw, yog tias peb tham txog kev tsim khoom.
Qee zaum hauv kab lus "net weight" lo lus "yuag" yog hloov los ntawm lo lus "tus nqi". Tom qab ntawd cov lus qhia txhais tau tias tus nqi kawg, los ntawm txhua qhov kev txo nqi tau raug suav, lossis tsis muaj luv nqi rau cov khoom no txhua.
Feem ntau, qhov hnyav hnyav yog qhia rau saum cov khoom ntim khoom. Qhov no yog ua kom yooj yim ntawm cov neeg txais khoom ntawm cov khw muag khoom thiab cov xa tawm. Thaum unloaded lub tsheb nrog lub thawv, lawv tsis tas yuav rub lawv mus rau qhov teev, pub dawb los ntawm kev ntim khoom thiab rov ntim lawv, nkim sijhawm thiab siv zog. Tsuas yog ua tib zoo saib rau daim ntawv lo rau saum.
Lo lus "tag nrho" yog qhov ntxeev ntawm "net". Nws kuj tuaj rau peb los ntawm Ltalis. Tab sis nws twb txhais tias " ntxhib, tsis huv." Qhov hnyav tag nrho txhais tau tias tag nrho, tag nrho qhov hnyav ntawm cov khoom ua ke nrog ntim lossis tare. Feem ntau cov ntaub ntawv no tseem raug kaw rau ntawm daim ntawv lo.
Rau cov tsis tau pib, qhov kev ua tsis ncaj ncees no yuav zoo li tsis muaj tseeb. Leej twg xav tau qhov hnyav tag nrho thaum tau txais cov khoom? Tom qab tag nrho, lub ntim tseem yuav rov siv dua, vim tias nws yuav tsis raug muag rau cov neeg siv khoom!
Txawm li cas los xij, kev paub txog qhov hnyav tag nrho yog qhov tsim nyog rau cov neeg thauj khoom loj ntawm cov khoom. Txawm tias ib lub ncuav qab zib zoo tib yam hnyav 400, lossis tag nrho 600 grams! Los ntawm kev thauj khoom 100 ntawm cov thawv no rau hauv lub tsheb, lub tshuab tau txais kev thauj khoom ntawm 40 kg, uas txawv ntawm qhov ntsuas qhov hnyav ntawm cov khoom thauj.
Thiab yog tias cov khoom raug xa mus rau lub khw loj, qhov twg koj yuav tsum tau import 1000 lub thawv khoom qab zib, gingerbread thiab ncuav qab zib los ntawm qhov hnyav? 400 kg ntawm cov khoom ntim tsis suav nrog tuaj yeem thauj lub tsheb ntau tshaj qhov txwv, uas yog fraught nrog kev tawg thiab kev sib tsoo. Thiab yog tias koj tsis xav txog qhov hnyav ntawm cov thawv ntoo lossis polypropylene, uas tuaj yeem ua qhov sib txawv ntawm ib tuj lossis ntau dua?
Thiab kuj yog qhov hnyav thiab qhov hnyav tag nrho yog xav tau los ntawm cov neeg siv khoom siv dua tshiab. Paub txog cov ntaub ntawv no, nrog rau cov naj npawb ntawm cov units tau txais, lawv tsis tas yuav tshaj tawm lub thawv ntim khoom kom paub nws qhov hnyav. Nws yog txaus los ua kom yooj yim xam - rho tag nrho qhov hnyav ntawm qhov hnyav tag nrho - thiab daim duab tshwm sim yuav qhia tias ntau npaum li cas ntim tau ntim rau hauv lub warehouse.
Koj puas tuaj yeem qhia qhov txawv ntawm tag nrho thiabmultiply net ntawm ib qho khoom siv los ntawm qhov ntau - qhov tshwm sim yuav zoo ib yam. Ib zaug ntxiv, muaj kev txuag lub sijhawm thiab kev rau siab.
Cov lus nug tshwm sim vim li cas tus neeg siv khoom rov siv dua yuav tsum paub qhov hnyav ntawm cov ntim khoom siv. Ua ntej, txhawm rau khaws cov khoom thauj ntawm qhov yuav tsum tau muaj peev xwm nqa tau. Thib ob, cov duab los qhia, ntawv, polypropylene thiab polyethylene tuaj yeem raug xa mus rau qhov chaw rov ua dua tshiab thiab pab tawm qee qhov nyiaj.
Yog li, qhov hnyav yog qhov hnyav ntawm cov khoom tsis ntim khoom, uas cov neeg xa khoom thiab cov neeg txais khoom yuav tsum paub. Qhov hnyav tag nrho yog qhov hnyav tag nrho ntawm cov khoom thauj, uas yuav tsum tau paub rau cov neeg tsav tsheb. Thiab qhov sib txawv ntawm ob cov ntaub ntawv no yog qhov txaus siab rau cov neeg siv.