Question

Which of the following hand – motion belongs to Therbligs in motion study?

1. Unavoidable delay             

2. Preposition

3. Select

4. Reach

Select the correct answer from the codes given below

(a) 1 and 4                      (b) 1 and 2

(c) 1,2 and 3                   (d) 2,3 and 4