Cov hlau tshwj xeeb 20 # hexagon 45 # hexagon 16Mn square hlau

Cov hlau tshwj xeeb yog ib hom ntawm plaub hom hlau (hom, kab, phaj, raj), yog ib hom hlau siv dav. Raws li cov duab ntawm seem, cov hlau seem tuaj yeem muab faib ua cov hlau seem yooj yim thiab cov hlau seem nyuaj lossis tshwj xeeb (cov hlau seem tshwj xeeb). Tus yam ntxwv ntawm cov qub yog tias nws tsis hla qhov seem ntawm ib qho taw tes ntawm ntug ntawm kab tangent. Xws li: hlau square, hlau puag ncig, hlau tiaj tus, hlau lub kaum sab xis, hlau hexagonal, thiab lwm yam.; Cov hlau tshwj xeeb feem ntau suav nrog cov hlau qhov rai kub dov, hlau sib koom, hlau seem kub dov rau lub log tsheb tom qab-ring, hlau seem kub dov rau phaj khiav, hlau seem kub dov rau lub log tsheb, tsheb ciav hlau, pob tiaj tus hlau rau kev tsim nkoj, hlau cable coil, hlau scraper thiab lwm yam.