I.Okwu mmalite:
Ihe nrịbama mgbanaka mgbanaka dabara adaba maka ịkpụ ihe nlele achọrọ maka ike nrụgide mgbanaka akwụkwọ. Ọ bụ ihe nlele pụrụ iche dị mkpa maka ule ike mgbanaka mgbanaka akwụkwọ (RCT), yana enyemaka nnwale dị mma maka imepụta akwụkwọ, nkwakọ ngwaahịa, nyocha sayensị, nyocha nke ọma na ụlọ ọrụ na ngalaba ndị ọzọ.
II.Njirimara ngwaahịa
1. Stamping sampling, elu sampleing ziri ezi
2. Stamping Ọdịdị bụ akwụkwọ akụkọ, sample dị mfe na adaba.
III. Ọkọlọtọ nzụkọ:
QB/T1671
IV. Nka nka:
1.Sample Size: (152± 0.2) × (12.7± 0.1)mm
2.Sample ọkpụrụkpụ: (0.1-1.0) mm
3. Akụkụ: 530 × 130 × 590 mm
4.Net arọ: 25kg