What_is_the_Vee-Bee_time_for_medium_degree_of_workability?$

1.	What_is_the_Vee-Bee_time_for_medium_degree_of_workability?$
A.	10-20 sec
B.	5-10 sec
C.	2-5 sec
D.	35 sec
Answer» D. 35 sec

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