1. $5 billion
   $12 billion
2. $26 billion

The global tape industry is valued at $26 billion.

1. petroleum
   oil
2. vegetables

Adhesives are usually made from petrochemicals, with various levels of adhesiveness, from easy to remove to permanent.

1. very hot water
   nail polish remover
2. force

When your fingers are stuck together with superglue and you're at risk of losing some skin in the separation process, try acetone nail polish remover or baby oil.

1. It is not so attractive.
   It can become poisonous over time.
2. It attracts dust.

A little bit of goo or glue left behind may not bother you initially, but over time it will attract dust and dirt and become filthy.

1. turpentine
   methylated spirits
2. regular class cleaner

Have a go first with regular glass cleaner. If that doesn't work, go for soap and water, rubbing alcohol or vinegar.

1. acetone nail polish remover
   boiling water
2. methylated spirits

Rubbing alcohol and vinegar are mild solvents, acetone nail polish remover is slightly stronger. You will still need some elbow grease, though.

1. plastic wrap
   toothpaste
2. a paste of water and yeast

Wetting a label or sticky patch with warm water and covering it with plastic wrap overnight is very effective. If that doesn't work, repeat, this time coating the goo with vegetable or baby oil.

1. commercial products designed for cleaning off motor oil
   methylated spirits
2. a propane torch

Commercial products designed for cleaning off motor oil, like Fast Orange or Goo Gone. They contain degreasing agents like d-Limonene and heptanes, so use them in small amounts in well ventilated areas.

1. They contain other chemicals which act as solvents.
   They lubricate the area so that the glue slides off.
2. Most adhesives are oil soluble.

Oily products are effective because oil dissolves adhesives. WD-40 is another oily product that can remove glue, as well as its classic role as a rust preventer and lubricant.

1. flour, water and eggs
   water, gelatin, corn syrup and extract
2. flour, water and corn syrup

Three tablespoons of water, one packet of gelatin, half a teaspoon of white corn syrup and a dash of vanilla or almond extract makes an effective glue that can be used to put the stick back onto the back of your child's sticker or stamp collection.