TechGear Manufacturing Sdn Bhd is a mid$-$sized electronics company that designs andmanufactures smart home devices. The company has been ISO $9001$:$2015$ certified for twoyears and is currently undergoing an internal audit for Clause $8($Operation$).$ During the audit, the following findings were noted: $1.$ The organisation had not properly documented its criteria for the acceptance ofexternal suppliers. $2.$ Customer requirements were sometimes changed during the design phase withoutproper review or customer re$-$approval. $3.$ Nonconforming outputs were occasionally fixed without proper evaluation or rootcause analysis. $4.$ Although they maintained records of product delivery, there was no formal procedurefor post$-$delivery activities.

Critically analyse how the company aligns with Clause $8($Operation$)$ of ISO $9001$:$2015.$

$($a$)$ Discuss and suggest improvement based on clause $8\mathrm{.}2($Requirements for products andservices$).$