Bucket elevators are not suitable for the vertical lifting of ________

1.	Bucket elevators are not suitable for the vertical lifting of __________ materials.
A.	fine (e.g. - 200 mesh size coal)
B.	sticky (e.g. clay paste)
C.	small lumpy (e.g. grains and sand)
D.	free flowing
Answer» C. small lumpy (e.g. grains and sand)

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Bucket elevators are not suitable for the vertical lifting of __________ materials.

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