YELLOW TEA
yellowing under a cover · the step no other tea has
Free
THE ISO 3591 GLASS
the only wine glass with dimensions instead of adjectives
$2.50
WINE TEMPERATURE
neither from the fridge nor from the room — not one of them
$2.50
MORSE CODE
26 letters and 10 digits · dot, dash
Free
PHONETIC ALPHABET
the ICAO standard · for radio and telephone
$2.50