Description
*For measuring the surface if its vertical,mainly used for construction work. ÌÎÌ_ÌÎ_ÌÎÌ___‰ۢÌÛ_í´í«̴å¢ÌÎÌ__ÌÎÌ__Ì_•À_ÌÎÌ_ÌÎ__ÌÎ_‰ۢÌÛ_ÌÎÌ_ÌÎ__Ì_åÇí«̴å¢ÌÎÌ_ÌÎ_ÌÎÌ__ÌÎÌ_ÌÎ__ÌÎÌ__í«̴å¢ÌÎÌ_ÌÎ__Ì_åÇÌÎÌ_ÌÎÌ_ÌÎÌ__í«ÌÎÌÊÌÎ_̴ÌàÌ_åÇí«̴å¢In measuring work,it is usually as an appendix to theodolite,total station. ÌÎÌ_ÌÎ_ÌÎÌ___‰ۢÌÛ_í´í«̴å¢ÌÎÌ__ÌÎÌ__Ì_•À_ÌÎÌ_ÌÎ__ÌÎ_‰ۢÌÛ_ÌÎÌ_ÌÎ__Ì_åÇí«̴å¢ÌÎÌ_ÌÎ_ÌÎÌ__ÌÎÌ_ÌÎ__ÌÎÌ__í«̴å¢ÌÎÌ_ÌÎ__Ì_åÇÌÎÌ_ÌÎÌ_ÌÎÌ__í«ÌÎÌÊÌÎ_̴ÌàÌ_åÇí«̴å¢The tip of plumb bob is flexible,when you don't use it,you can make the tip retract.