$($Q$6)($a$)$ Briefly describe the importance of designing proper displays and controls in

industrial machines.

$(03$ marks$)$

$($b$)$ Write short notes on the following.

i$.$ Guidelines for designing displays

$(06$ marks$)$

ii$.$ Guidelines for designing controls

$(06$ marks$)$

$($Q$7)($a$)$ Briefly describe the three $(03)$ design philosophies, which can be used to

design workplaces.

$(06$ marks$)$

$($b$)$ Discuss the advantages of sitting work posture over the standing work

posture.

$(06$ marks$)$

$($c$)$ Discuss the important features of an ergonomically designed chair.

$(03$ marks$)$