In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Producing silk is a (1)______ process and demands close attention. First, quality feed for the silkworm needs to be (2)______. Then, the worms need to be carefully hand-reared in controlled environmental (3)______ till the pupae spin the silk cocoons. The silk is extracted by human hand and (4)______ woven into fabric. The traditional hand-loom silk always scores over the power looms in their individuality, character and (5)______ beauty.