1. Alurọbollards
Awọn ohun elo: Irin, irin alagbara, irin, irin ajo, ati bẹbẹ lọ
Awọn ẹya: Agbara ati ti o tọ, iṣẹ ikọlu ikọlu, diẹ ninu awọn le ni ipese pẹlu ohun elo egboogi-ipa tabi itọju fun fifa.
Ohun elo: Awọn ọpọlọpọ pa awọn pẹlu aabo giga tabi lilo igba pipẹ.
2. Ṣiṣubollards
Ohun elo: polyuthethane, PVC, bbl
Awọn ẹya: ina, iye owo kekere, o kun fun ṣiṣẹ bi olurannileti kan, ko dara fun awọn aini aabo kikankikan ga.
Ohun elo: Awọn ọpọlọpọ aaye isinmi fun igba diẹ tabi awọn agbegbe eewu kekere.
3. Lẹgbẹbollards
Ohun elo: nja.
Awọn ẹya: iwuwo iwuwo, iduroṣinṣin to lagbara, nigbagbogbo o wa titi bolul.
Ohun elo: Awọn egbegbe pupọ tabi awọn agbegbe yiyatọ pataki.
4. Ohun elo idapọmọrabollards
Ohun elo: apapo irin ati ṣiṣu tabi roba.
Awọn ẹya: Agbara ati irọrun, o dara fun awọn iṣẹlẹ pẹlu awọn aini alabọde.
Ohun elo: Awọn agbegbe Iyatọ-aarin-aarin tabi aaye ipinlẹ aaye.
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Akoko ifiweranṣẹ: Jan-16-2025
