PHASES OF THE MOON
eight phases · a full cycle of 29.53 days
SERUM ACTIVES
when to apply, what to keep apart in time, what the season changes
BITS, BYTES, KILOBYTES
two scales · 1000 and 1024 · why a drive looks smaller
CSS FLEXBOX
main axis and cross axis · which property belongs to which
FLOWCHART SYMBOLS
10 shapes, and one algorithm drawn with them
HTTP STATUS CODES
five classes · twenty codes you meet every day
THE SELECT STATEMENT
8 clauses in the order you write them — and the order they take effect in
POST-FERMENTED TEAS
six teas changed by microbes rather than oxygen
MATCHA DRINKS
six proportions · grams, millilitres, degrees
PUERH AGEING
sheng and shu · what the years do and when to drink
BLACK TEA
grades, six leaves and four blends · in China it is "red tea"
TEA PLANT CULTIVARS
assamica against sinensis · leaves at one scale · six cultivars
GREEN TEA
six leaves · water, time, number of steepings
OOLONG
from 15 to 80 % oxidation · leaf shape · seven steepings
SIX KINDS OF TEA
one plant · the oxidation scale · seven processing steps
THE HAMBURGER
the ratios of the mince and the five steps that decide the result
BARRE CHORDS
two shapes, twelve chords each
FIRST CHORDS
15 chords every beginner starts with · standard tuning E A D G B e
THE KEYBOARD
three octaves · every key and its note on the staff
PAPER SIZES
the A series · from A0 to A6