Question: how to patch a swimming pool liner underwater

  Options: 
 A. For deep underwater repairs, cut round corners on patch. Apply oil to patch and fold patch over upon itself. When you reach the damaged area under water unfold patch and apply immediately to liner, squeezing out all water bubbles. Do not disturb patch for at least 48 hours.
 B. For deep underwater repairs, cut round corners on patch. Apply adhesive to patch and fold patch over upon itself. When you reach the damaged area under water unfold patch and apply immediately to liner, squeezing out all water bubbles. Do not disturb patch for at least 48 hours.
Answer: B