Use Johnson's rule to determine the optimal sequencing for the five jobs to be processed on two machines in a fixed order (Machine 1 before Machine 2). The processing times are given in the table below.
a. What is the optimal sequence?
b. What is the total flow time for this sequence?
Definitions:
Skin Traction
A medical treatment method where bandages or other devices are applied to the skin to apply a pulling force on the bones and muscles beneath.
Buck Extension
A type of traction for the lower leg, used in the treatment of fractures of the femur or after hip surgery, to help maintain proper alignment and reduce pain.
Contractures
Permanent shortening of a muscle or joint, often leading to limited range of motion and stiffness.
Adhesive Traction Straps
Devices used to provide support or immobilize a body part by adhering to the skin and applying a pulling force.
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