Thaum xav txog kev kho nyob rau hauv ib chav tsev los yog ib lub tsev, ib qho ntawm cov ntsiab lus tseem ceeb uas yuav tsum tau them nyiaj tshwj xeeb yog qhov kev sib txuas ntawm engineering. Thiab yog hais tias qhov kev hloov ntawm lub sewerage los yog dej lub ntsiab yog nyob ntawm seb sab nraud dab tsi, ces lub thaiv yuav npaj raws li tus ntsuj plig xav. Ua tib zoo xav txog qhov chaw kawm ntawm cov khoom siv hluav taws xob - cov chaw nyob thiab cov keyboards, vim nws nyob ntawm lawv cov kev nplij siab. Thiab yog nyob rau hauv cov tsev me me nws yog qhov yooj yim zoo tib yam, ces nyob hauv cov tsev loj loj koj tuaj yeem ua tsis muaj cross keyboards uas cia koj tswj lub teeb los ntawm ntau cov ntsiab lus ib txhij.
Qhov sib txawv ntawm qhov kev hloov ntawm lub cross thiab lub qhov rooj
Ua ntej, cia saib seb qhov kev hloov khaub lig yog qhov twg. Raws li paub, qhov kev hloov pauv muaj ob txoj haujlwm, nyob rau hauv txhua qhov ntawm, qhov hluav taws xob teeb txuas nrog nws keyboards lossis tawm. Ua tau zoo, lawv muaj ob qho kev sib raug zoo rau nws hauv thiab tawm hauv lub xeev. Cov kis tau los ntawm cov kis tsis muaj ob tus neeg, tab sis peb thiab tso cai rau koj tswj kev teeb pom kev los ntawm ob qho chaw sib txawv. Yog li, koj tuaj yeem pom lub teeb los ntawm nias qhov hloov ntawm ib qho kawg ntawm chav tsev thiab tua nws los ntawm nias ib tug zoo li hloov txuas ntawm lwm kawg. Cov kis tau los ntawm cov kis tau yooj yim rau nruab nrab ntawm qhov sib txawv ntawm txoj kev sib txuas ntev, nyob rau hauv cov chav hauv chav lossis ntawm ob sab ntawm ob chav pw hauv chav pw. Yog tias xav tau cov ntsiab lus ntau ntxiv, lub voj voog ntawm cov hla kev sib txuas nrog kev sib txuas nrog kev sib txuas. Ua tau zoo, lawv zoo li cov checkpoints, tab sis
Cross hloov "Legrand"
Raws li koj paub, keyboards tsis yog qhov tshaj plaws uas koj yuav tsum txuag ntawm kev yuav khoom. Yog li, thaum xaiv lawv, nws yog tsim nyog muab preference rau ib tug ntau kim, tab sis ntau txhim khu khoom nrog ib lub npe. Yog li ntawd, lub koob npe nrov yog nyiam los ntawm kev ruaj khov "Legrand", qhov kev sib tw dhau los thiab kev sib tw uas yog nto moo rau lawv lub neej ntev, kev lag luam thiab kev yooj yim. Yog li, tus ntoo khaub lig-kiv ntawm lub khw no yog tsim los hloov qhov kev thauj tam sim no mus txog 10 A. Thaum nruab lawv, tooj liab hlau nrog ntu tshooj ntawm 2.5 hli siv.