$1\mathrm{.}1$ There are three $(3)$ different design strategies. Discuss the design for an average.

$1\mathrm{.}2$ A proper working environment is important not only from the standpoint of increasing productivity and improving the physical health and safety of the workers, but also for promoting worker morale and consequent reductions in worker absenteeism and labour turnover. Name any two $(2)$ problem areas and explain them.

$1\mathrm{.}3$ Name and explain any five $(5)$ types of elements encountered in work measurement.

$1\mathrm{.}4$ What are the attributes which differentiate the experienced worker from the inexperienced worker?