Here are some more strange warnings on items.
On a packet of juggling balls:"This product contains small granules under 3 millimeters. Not suitable for children under the age of 14 years in Europe or 8 years in the USA."
Seen on a camera:"This camera only works when there is film inside."
On a bottle of flavored milk drink:"After opening, keep upright."
On a can of windscreen de-icing spray:"Spray works in sub-zero temperatures."
On a can of insect spray:"Kills all kinds of insects! Warning: this spray is harmful to bees."
A different brand of insect spray:"Kills flies, wasps, mosquitoes, midges, and other flying insects.Not tested on animals."
On an ocean buoy for determining the position of submarines:"Protect from seawater."
Shop with Amazon! - http://amzn.to/2z3uBpa