... of metal pool,polygon 1.2M*0.6M,1.2M*0.7M 1.6M*0.6M,1.6M*0.7M,1.6M*0.8M 2M*0.6M,2M*0.7M,2M ... *0.8M 3M*0.6M ,3M ... *0.7M,3M*0.8M 3.66M*0.6M,3.66M*0.7M,3 ... .66M*0.8M 4.57M*0.6M,4.57M*0.7M ... ,4.57M*0.8M Rectangular 1.8M*1.2M*0.5M 2M*1.5M*0.6M 2.5M*1.8M*0.7M.And we ...