saahul

saahul
saahul ki sahaayata se deevaar ki urdhvaadharata ki jaaainch

saahul (plumb bob ya plummet) ek haath aujaar hai jiska upayog raajageeri mein urdhvaadhar rekha paane ke liye kiya jaata hai. ismein ek dhaatu ka bhaar hota hai jiska neeche wala sira nukeela hota hai. is bhaar ko ek dhaage ya patali rassi se latakaakar urdhvaadhar tal ki urdhvaadharata ka pata lagaaya jaata hai. udaaharan ke liye deevaar jodate samay baar-baar dekhna padta hai ki deevaar ki jodaai urdhvaadhar ho rahi hai ya yeh kisi taraf jhuk raha hai. jhuki deevaar ke aasaani se girne ka khatra hota hai.