Nyob rau hauv Central Plains Washington, Lub Kaum Hli Ntuj hnub tim 24, Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam ntawm Tebchaws Meskas tau tshaj tawm tsab ntawv tshaj tawm zaum kawg rau lub sijhawm hauv zos hnub tim 24, pom tias Tuam Tshoj xa khoom mus rau Tebchaws Meskas cov khoom siv hlau sib kis yog kev pov tseg thiab kev pab nyiaj, sab Tebchaws Meskas yuav muab cov nqi se "ob npaug rov qab". Hauv kev teb rau qhov kev tsis txaus siab uas TB Wood's hauv Pennsylvania tau xa tuaj, Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam ntawm Tebchaws Meskas tau txiav txim siab thaum Lub Kaum Ib Hlis xyoo tas los los ua qhov kev tshawb nrhiav "ob npaug rov qab" ntawm cov khoom siv hlau-hlau sib kis uas xa los ntawm Tuam Tshoj thiab los tshawb nrhiav kev tshawb nrhiav kev tiv thaiv kev pov tseg tawm tsam cov khoom lag luam Canadian, suav nrog pulleys thiab Flywheel thiab lwm yam. Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam hauv tsab ntawv tshaj tawm zaum kawg tias Tuam Tshoj xa khoom mus rau Tebchaws Meskas cov khoom pov tseg ntawm 13.64% txog 401.68%, tus nqi pab nyiaj ntawm 33.26% txog 163.46%. Nws kuj tau txiav txim siab tias qhov sib npaug pov tseg rau cov khoom zoo sib xws hauv Canada yog 100.47% txog 191.34%. Raws li cov txiaj ntsig ntawm qhov kev txiav txim zaum kawg, Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam hauv Tebchaws Meskas yuav qhia rau Lub Tsev Haujlwm Saib Xyuas Kev Lis Kev Cai thiab Kev Siv Khoom ntawm Tuam Tshoj thiab Canada cov chaw tsim khoom thiab cov neeg xa khoom kom sau cov nyiaj tso cia sib xws. Xyoo 2014, Tebchaws Meskas cov khoom xa tuaj ntawm Tuam Tshoj thiab Canada tag nrho yog $ 274 lab thiab $ 222 lab, raws li. Raws li cov txheej txheem kev daws teeb meem kev lag luam hauv Tebchaws Meskas, kev qhia txog cov nqi se tseem yuav tsum tau txais kev pom zoo los ntawm lwm lub koom haum US International Trade Commission. Lub Koom Haum Kev Lag Luam yuav ua qhov kev txiav txim zaum kawg rau lub Kaum Ob Hlis, yog tias lub koom haum pom tias cov khoom lag luam cuam tshuam nrog Tuam Tshoj thiab Canada rau kev lag luam hauv Tebchaws Meskas ua rau muaj kev puas tsuaj lossis kev hem thawj loj, Tebchaws Meskas yuav raug qhia txog cov se tiv thaiv kev pov tseg thiab cov se tawm tsam. Yog tias Pawg Neeg tau txiav txim zaum kawg tsis zoo, kev tshawb nrhiav yuav raug nres, cov nqi se yuav tsis raug them. Xyoo no, txhawm rau tiv thaiv lawv txoj kev lag luam hlau, Tebchaws Meskas feem ntau siv cov kev daws teeb meem kev lag luam, kev tshawb fawb koom nrog Tuam Tshoj rau Tebchaws Meskas rau Tebchaws Meskas rau Tebchaws Meskas rau Tebchaws Meskas rau Tebchaws Meskas rau Tebchaws Meskas cov hlau tsis xeb, cov phaj txias-kuav, cov phaj tiv thaiv corrosion thiab cov hlau carbon ntev thiab lwm yam khoom hlau. Tuam Tshoj Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam Kev Pabcuam Kev Lag Luam tsis ntev los no tau hais tias kev daws teeb meem rau kev lag luam hlau thoob ntiaj teb tam sim no tab tom ntsib qhov teeb meem ntawm txoj hauv kev zoo tshaj plaws yog kev teb hauv tebchaws, es tsis txhob siv cov kev ntsuas tiv thaiv kev lag luam ntau zaus. (Ua tiav)