Thirlei zawmkhawm nawrtawlh nana hman Launching Roller leh lei sir tawn tawna a zawm seina pannel hman zui tawh loh tur te \hiah a ni a, heng hna zawng zawng hi zawhfel a nih veleh lei chhuat tur thir phek phah hna thawh zui a ni dawn a ni. He bailey bridge dawh hna thawktu PWD Mechanical Division chuan an hna thawh tur chin, lei chhuat phah thleng tun thla ni 25-ah zawhfel an tum a, hemi hnu hian PWD Highway Division chuan leia motor tlan luh theihna tura a bul vel siamrem leh kawng tihchhiat siam \hat hna te an thawk zui ang a, tun thla tawpah chuan lirthei kal theiha peih hman an tum dawn nia thudawn a ni.
