Home / Wed Drop Hammer Ops Manual 4 2007

Wed Drop Hammer Ops Manual 4 2007

Jun 02 2018  drive the spoon with blows from the hammer falling 75 cm 30 inches until either 45 cm 18 inches have been penetrated or 100 blows have been applied 4 record the number of blows required to effect each 15 cm 6 inches of penetration the first 6.

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