oka oya pena tharam lean naha ban.. umbe O2 pitaweema wadi ehema sample ekaka CO adu wenava attatama O2 1 k hari 2 hari wage value ava nam oke CO value eka 2 vage vat enava.. e nisaa ohoma duwanna... mama oyaata kalin kivva mama hithanne meeta wada loku vistarayak ekka..