Koj tuaj yeem paub qhov txawv ntawm lawv ncaj qha raws li cov duab ntawm lub rooj tsavxwm. Lub rhombus yog plaub lub kaum sab xis nrog plaub sab sib npaug, thiab oblate yog lub voj voos.
Pattern phaj hais txog lub phaj hlau nrog cov qauv tsim los yog kev nyuaj siab ntawm nws qhov chaw. Cov qauv ntawm cov qauv phaj yog nyob rau hauv cov duab ntawm lentil, rhombus, puag ncig taum, oblate thiab sib xyaw duab. Cov duab lentil yog qhov ntau tshaj plaws hauv khw. Lub hauv paus chiv keeb yog: Laiwu Hlau thiab hlau, Rizhao, Benxi Hlau thiab hlau, Shougang, Ningbo hlau thiab hlau, Meishan hlau thiab hlau, Anshan hlau thiab hlau, Taiyuan hlau thiab hlau, Beitai, thiab lwm yam.
Cov qauv ntawm lub tread phaj mas plays lub luag hauj lwm los tiv thaiv skid. Feem ntau ntawm cov pavements ntawm cov neeg taug kev txuas hniav ntawm txoj kev yog tread plates, nrog rau cov plag tsev ntawm qee lub chaw tsim khoom, thiab cov plag tsev ntawm qee lub tsheb npav yav dhau los kuj yog cov paib tread. Cov qauv hauv tsev feem ntau yog stamped qauv boards, nrog lub nraub qaum recessed thiab cov qauv protruding. Cov hlau stainless txawv txawv phaj muaj lub tiaj tiaj rov qab thiab tsa cov qauv.