Place of placement: 
   Kitchen sink, gas stove, refrigerator, kitchen cabinets, wall cabinets, bathrooms, washstand around the place. 

 Notes:

         Keep out of reach of children. Although bait and adhesive are non-toxic, do not eat by mistake.
          Once glued to the hands, hair, clothing can be wiped with edible oil, then wash with detergent. 
          Burn the sticky board full of cockroaches after use. Do not discard it at will. Pay attention to fire prevention when burning.