$6.$ Tool Angles Specification Systems: $-$ Compare and contrast the ASA and ORS tool angle specification systems. $-$ Explain the significance of the ASA system in tool geometry standardization. $-$ Discuss the advantages of using the ORS system for specifying tool angles. $-$ How do ANSI standards influence tool angle specification in machining? $-$ What are the limitations of traditional tool angle specification systems?$7.$ Cutting Parameters and Tool Geometry: $-$ Define the concept of cutting parameters in machining operations. $-$ How do cutting speed and feed rate affect tool geometry requirements? $-$ Discuss the relationship between depth of cut and tool geometry selection. $-$ Explain how tool geometry adjustments optimize cutting parameters for specific materials. $-$ How can tool wear be minimized through appropriate cutting parameters and tool geometry?$8.$ Indexable Inserts and Chip Breakers: $-$ What are indexable inserts, and how are they used in machining? $-$ Discuss the advantages of indexable inserts over solid cutting tools. $-$ Explain the role of chip breakers in controlling chip formation. $-$ How do chip breakers improve surface finish and tool life? $-$ What considerations are important when selecting indexable inserts and chip breakers for specific applications?$9.$ Tools of Unusual Geometry: $-$ Describe examples of cutting tools with unusual geometries. $-$ What are the advantages of using tools with non$-$standard geometries? $-$ Discuss the applications where tools of unusual geometry excel. $-$ How does the design of unconventional cutting tools influence machining performance? $-$ What challenges are associated with the manufacture and use of tools of unusual geometry?