Which of the following has contributed remarkably in designing aids for physically handicapped?
A. Bloch and Purcell
B. Chardack
C. P.K. Sethi
D. William Roentgen
Answer:C
Which of the following has contributed remarkably in designing aids for physically handicapped?
A. Bloch and Purcell B. Chardack C. P.K. Sethi D. William Roentgen