Generally, the flexible pipe used to carry high pressure water to the cutting head has the diameter equal to _____

Generally, the flexible pipe used to carry high pressure water to the

1.	Generally, the flexible pipe used to carry high pressure water to the cutting head has the diameter equal to _____
A.	4 mm
B.	6 mm
C.	10 mm
D.	12 mm
Answer» C. 10 mm