Table 1: Design for manual assembly worksheet.

Name of Assembly	C1	C2	C3	C4	C5	C6	C7	C8
	Total angle of symmetry (α +β), deg (°)	Number of times the operation is carried out consecutively	Two-digit manual handling code	Manual handling time per part (s)	Two-digit manual insertion code	Manual insertion time per part (s)	Total Operation time, seconds (s)	Figure for estimation of theoretical minimum parts
1.
2.
Design Efficiency = 3 x NMTM							TM	NM