Concept:
Denim finishing includes various abrasion and fading techniques used to create fashionable worn-out effects. However, some processes are banned due to severe health and environmental hazards.
Step 1: Understand denim finishing methods.
Common methods include:
• Laser finishing (safe and controlled)
• Acid wash (chemical fading)
• Stone wash (mechanical abrasion)
• Sand blasting (abrasive silica particles)
Step 2: Why sand blasting is banned.
Sand blasting uses silica dust which causes:
• Severe lung diseases (silicosis)
• High occupational hazard
• Environmental pollution
Step 3: Final conclusion.
Due to health hazards, sand blasting is banned in many regions.
\[
\boxed{\text{Sand Blast}}
\]
Thus,
\[
\boxed{\text{Option (B) is correct.}}
\]
Was this answer helpful?
0
0
Top TS PGECET Textile Engineering and Fibre Science Questions