Kub muag GVDA Cov Ntsuj Plig Qib Bubble Sib Nqus Hluav Taws Xob Qib 360 Degree Angle Finder Protractor Inclinometer Kab rov tav Scale Ruler
GVDA qib digital ntsuas txhua lub kaum sab xis hauv 360 degree ntau lossis plaub 90 degree quadrants. Nws tuaj yeem pom cov degrees thiab txoj kab nqes. Muaj ob lub versions - nrog thiab tsis muaj hlau nplaum nyob hauv qab. Lub monitor yeej ib txwm nyob rau hauv txoj hauj lwm upright thiab ua haujlwm zoo tshaj plaws tshwj xeeb tshaj yog thaum ua hauj lwm overhead. Qhov ntsuas no tuaj yeem ntsuas tsis tau tsuas yog kab rov tav thiab ntsug dav hlau xwb, Nws tuaj yeem ntsuas txhua qhov nce thiab nqis kaum.
