Question $3[18]$

$3\mathrm{.}1$ List and explain the significance of three types of personal protective equipment $($PPE$)$ used in an engineering workshop. $(6).$

$3\mathrm{.}2$ A workshop has $20$ machines, each requiring a safety inspection that takes $30$ minutes. If one technician can conduct these inspections and works $8$ hours a day, how many days will it take to inspect all machines?

$-$ Total inspection time for one machine $(2)$

$-$ Total inspection time for $20$ machines in minutes, in hours and number of days required $(4)$

$3\mathrm{.}3$ State and explain the meaning of three different safety signs commonly found in engineering workplaces $(6)$

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