Trace and cut a circle out of the poster board. Then cut out a 1/2″ to 1″ hole in the center of that circle, depending on whether you’re doing a large or small hat.
首先，在纸板上剪一个圆，在圆的中间剪一个1/2英寸到1英寸的孔，具体大小取决于你所做的饰品大小。
Method:First use the rat trace board method, and then use the night trapping method.
方法：首先用鼠迹板法调查，然后用夹夜法。
Objective To study the feasibility on the rat density tested by the plastic rat trace board in residential districts.
目的塑料地板胶制鼠迹板测试居民区住宅外鼠密度可行性。
应用推荐