S₁: Until the hospital could be built there was no surgery available for the patients.

S₆: Working in the sun was very tiring.

P: But there were disadvantages.

Q: Schweitzer therefore started his medical treatment in an open space outside his house.

R: Moreover, there was a storm almost every evening, when everything had to be dragged hurriedly to the shelter of the verandah. S: After a short time an emergency hospital was created from a rough fowl-house.

The proper sequence should be

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