$8.**$Which is not a feature of 'Total Productive Maintenance'?$**$

a$)$ Involvement of all employees in maintenance

b$)$ Focus on preventive maintenance

c$)$ Emphasis on machine operator ownership of their equipment

d$)$ Ignoring machine efficiency and effectiveness

$9.**\text{'}$Value Stream Mapping' is used in operations to:$**$

a$)$ Calculate the total cost of production

b$)$ Analyze and improve the flow of materials and information

c$)$ Determine employee performance bonuses

d$)$ Map out corporate hierarchy

$10.**$In operations management, 'Scalability' refers to:$**$

a$)$ The ability to increase or decrease production in response to market demands

b$)$ Scaling up the workforce size

c$)$ The physical size of production facilities

d$)$ The profitability of a product