Daim ntawv qhia txog ASTM yogAmerican Society rau kev sim thiab cov ntaub ntawvCov. Cov neeg Asmeskas haiv neeg rau kev sim thiab cov ntaub ntawv (ASTM) yog ib lub koom haum uas tsim thiab tshaj tawm cov qauv kev tsim kho, cov khoom lag luam, cov tshuab, thiab cov kev pabcuam, kev pabcuam.
