Cov neeg feem coob tau raug lwm tus neeg feem coob tsis paub txog i-nqaj, tshwj xeeb yog kuv-nqaj thiab h-nqaj thiab ntau tus neeg yuav tsis meej pem. Qhov tseeb, cov txheej txheem ntau lawm thiab txoj kev ntawm ob hom steel no sib txawv heev, yog li dab tsi qhov sib txawv ntawm I-nqaj thiab H-Beach? Cia peb saib.
Yuav saib seb nws yog qis dua I-Beam
1. Fake thiab Shoddy I-Beams yog yooj yim rau quav
Yog tias nws yog ib qho qis dua I-Beam, nws tuaj yeem yooj yim khoov, ua cov i-nqaj poob nws cov qauv qub. Qhov laj thawj tseem ceeb rau qhov no yog qhov chaw tsim tshuaj paus tsis pom zoo thiab cov nyiaj tau loj dhau, ua rau muaj kev txo qis hauv lub zog thiab yooj yim bent.
2. Cov tsos ntawm fake thiab Soddy I-Beams feem ntau muaj hemp saum npoo
Qhov saum npoo ntawm qis dua i-nqaj feem ntau muaj cov npoo av, feem ntau yog vim tias nws yog qhov tsim nyog kom ua tib zoo saib seb puas muaj qhov tsis xws luag ntawm qhov chaw thaum yuav khoom.
3. Cov nplaim ntawm cov cuav thiab qis dua i-nqaj yog nquag mus rau scarring
Feem ntau, tsis zoo kuv-kab teeb tau nquag impurities thiab scarring rau saum npoo, yog li nws yooj yim kom paub qhov zoo ntawm I-nqaj los ntawm qhov no.
4. Cuav thiab qis dua I-Beams yog yooj yim rau kos
Cov khoom siv ntau lawm ntawm ntau cov tuam ntxhab yog qhov yooj yim, thiab cov tshuab ntau lawm tsis tau tsim burrs, thiab lub zog ntawm i-nqaj tsis muaj txog ntawm tus qauv.
5. Fake thiab qis dua i-nqaj tsis muaj xim hlau
Feem ntau, qis-zoo i-nqaj muaj xim liab thiab tsis yog li ci li hlau. Lub ntsiab yog vim nws dawb yog Adobe, thiab qhov ntsuas kub tsis yog teeb meem thaum tsim khoom, yog li tsim I-nqaj yog matte.