POST-FERMENTED TEAS
six teas changed by microbes rather than oxygen
$1.50
MATCHA DRINKS
six proportions · grams, millilitres, degrees
$1.50
PUERH AGEING
sheng and shu · what the years do and when to drink
$1.50
BLACK TEA
grades, six leaves and four blends · in China it is "red tea"
$1.50
TEA PLANT CULTIVARS
assamica against sinensis · leaves at one scale · six cultivars
$1.50
GREEN TEA
six leaves · water, time, number of steepings
$1.50
OOLONG
from 15 to 80 % oxidation · leaf shape · seven steepings
$1.50
SIX KINDS OF TEA
one plant · the oxidation scale · seven processing steps
$1.50
THE HAMBURGER
the ratios of the mince and the five steps that decide the result
$1.50
THE CLOCK FACE
two hands, twelve numbers — how to read the time
$1.50
ROMAN NUMERALS
seven symbols · ones, tens, hundreds · years
$1.50
PAPER SIZES
the A series · from A0 to A6
$1.50