Update val_dataset.csv

val_dataset.csv

@@ -9,4 +9,8 @@ How does recycling benefit the environment?, "It reduces the amount of waste sen
 What should I do with packaging materials?, "Recycle flattened cardboard boxes and paper-based packing material in your curbside recycling cart. If you run out of room in the cart, stack the flattened boxes next to the cart on collection day. Reuse the packing peanuts. Packing peanuts are the small styrofoam 'peanuts' found in many packages shipped through the mail and they are not recyclable, but they are reusable. Many gift stores or shipping centers will accept clean packing peanuts free of charge to reuse in packaging or shipping. Drop off packing peanuts at your local mail house."
 Where can I dispose of hazardous materials?, "Dispose of old oil-based paints, spray paints, as well as hazardous products such as pesticides, fertilizers, and paint thinners at a household hazardous waste collection facility or event."
 How to dispose of inhalers?, "Most pharmacies should have a hazardous materials drop-off box or 'sharps' disposal bin for inhalers. The boxes look like mail drop-off boxes. Police departments and health care locations can also be drop-off locations for unwanted medicines."
-How to dispose of insulin pens?, "When your pen is empty, throw away the whole insulin pen in the 'sharps' disposal bin or hazardous material disposal bin usually found in most pharmacies."
+How to dispose of insulin pens?, "When your pen is empty, throw away the whole insulin pen in the 'sharps' disposal bin or hazardous material disposal bin usually found in most pharmacies."
+How to dispose of metal credit cards?, "Return the card to the issuer, so they can safely dispose of them."
+How to dispose of plastic credit cards?, "To dispose of plastic credit cards, it's important to cut the credit card up into many pieces to render the card useless. Then, feel free to throw the pieces of the card into the trash."
+How to dispose of a propane tank?, "Drop the empty propane tank off at most propane refill or exchange locations."
+How to dispose of a helium tank?, "If the helium tank is reusable, take it back to the store; if not, then put the tank next to your garbage bin for disposal."