Table 1 True cause verification.

From: Effect of hazard analysis critical control points system in the assembly of reusable medical devices

Causes for assembly defects

n

Percentage (%)

Poor learning abilities in general workers

20

28.57

Many types of device packages

17

24.29

Unreasonable setting of job positions

15

21.43

Imperfect work rules

13

18.57

Heavy workload in inspection

3

4.29

Insufficient number of workbenches

2

2.86