Machine Design
In composite or reverse laid ropes

Direction of twist of wires and strands are same
Wires in two adjacent strands are twisted in opposite direction
Direction of twist of wires in strands is opposite to the direction of twist of strands
Wires are not twisted

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Machine Design
In oilness bearings

Grease required to be applied after some intervals
The oil film pressure is generated only by the rotation of the journal
Do not require external supply of lubricant
The oil film is maintained by supplying oil under pressure

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