Echelon I

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20 kg to 1 mg

500 lb to 1 lb

1 kg to 1 mg

2 lb to 0.001 lb

8oz to 1/32 oz

30 kg to 1 mg

500 lb

20 kg to 1 mg 

20 kg, 10 kg, 1 kg to 1 mg

50 lb and 25 lb

1 lb to 0.001 lb

20 kg to 1 mg 

30 kg to 1 mg 

50 lb to 0.001 lb

25 kg to 1 mg 

50 lb to 0.001 lb

4 oz to 1/32 oz

20 kg to 1 mg 

50 lb to 0.001 lb