Liheke tsa polasi hangata li etsoa ka lintho tse chesang tse kentsoeng ka masenke, tse tla e etsa hore e loantše mafome, ebe e phela nako e telele ea ts'ebeletso. Sekhahla se chesang sa zinc se ka fetoloa ka kopo ea moreki, e ka ba class1 (60g / m2), class2 (120g / m2), class3 (240g / m2), boemo bo phahameng le ho feta.

Ka tloaelo liheke tsa polasi li na le lisebelisoa tsa ho hlomella lithupa tsa lehong.

Liheke tsa polasi li etselitsoe ho shebahala li hohela ebile li sebetsa hantle. Laola makhulo, fana ka phihlello ea literekere le literaka, le menyako ea literata tsa mahaeng kapele le ka nepo. Liheke tsa Ag li tlatsetsa terata ea rona ea Split Rail terata e fumanehang joalo ka terata ea West Virginia Lap Rail (Hemlock / Spruce Rails w / Locust Posts), Treated Split Rail, le Rail Red ea Cedar Split ea Bophirimela.

Liheke tsa polasi li etselitsoe ho tlatselletsa lits'ebetso tsa rona tsa terata. Bolelele ba liheke tsa polasi e ka ba 4ft, 5ft, 6ft, 7ft, 8ft, 10ft, 12ft, 14ft, 16ft, ho latela kopo ea hau. Ho boetse ho na le masale le lihokelo tsa mabenyane kahare ho heke ea polasi, ka masale le lihokelo, liheke tsa polasi li ka hokahanngoa hammoho, ebe li hlophisoa ka libopeho le bolelele bo fapaneng, kaofela li khahlano le likopo tsa hau tsa polasing.