The correct answer is option A. Knife with sharp blade because it describes a knife in good condition, as a sharp blade is desirable and functional for cutting tasks.
[tex]\large\bold{Clarifications}[/tex]
- B. Chisel with mushroomed head. A chisel with a mushroomed head is damaged or worn out due to use, which affects its functionality and safety.
- C. Wrench with worn out jaw. A wrench with a worn-out jaw can slip and cause injury or damage due to reduced gripping ability.
- D. Hammer with cracked handle. A hammer with a cracked handle is weakened and can pótentially break during use, posing a safety hazard.
All these items (B, C, and D) share the characteristic of being tools with some form of damage that makes them pótentially unsafe or ineffective for their intended use. Therefore, option A does not fit the group of damaged or worn-out tools described in options B, C, and D. [tex] \: [/tex]