The balls are painted fluorescent orange so they can be spotted on the frozen fairways.
There is no track into the crater; hikers are advised to follow a fluorescent orange and white ribbon.
Mr. Anderson said that in the mid-1990's the state started using more fluorescent orange on road construction signs, which he considered a good safety move.
The bikini was state of the art, bright fluorescent orange that demanded attention.
In a well-lit room you are guaranteed plenty of blue light, so fluorescent oranges have it made.
Hikers are asked to wear fluorescent orange, for safety matters, when hiking during hunting season.
The Senate voted to require hunters to wear a hat, jacket or vest of fluorescent orange.
The goal (painted in fluorescent orange) is 105 cm high by 170 cm wide.
Some operators use fluorescent orange instead of white.
A couple of men hooded in fluorescent orange were waiting to refuel the aircraft.