Bollard ʻakomi
ʻO nā bollards aunoa (ʻike ʻia hoʻi he mau bollards retractable aunoa, uila, a hydraulic paha) he mau pale palekana hana kaumaha i hoʻolālā ʻia e kāohi i ke komo ʻana o ke kaʻa a hāʻawi i ka palekana perimeter.
Hiki ke hoʻohana ʻia ma o ka mana mamao, ka polokalamu kelepona, a i ʻole ke pihi kaomi, a hiki ke hoʻohui pono ʻia me nā pale kaʻa, nā kukui kaʻa, nā ʻāla ahi, nā ʻōnaehana LPR, a me nā polokalamu hoʻokele hale. Hana ʻia nā bollard piʻi aunoa a RICJ mai ke kila kila 304 a i ʻole 316 kiʻekiʻe no ka lōʻihi o ke ola.