r5
|
by technology; technique |
r59 []
|
special operation |
r5b
|
manual work; human work ↞ px persons |
r5c
|
controlled fire; cooking ↞ f5ic combustion |
r5f
|
lithic technology; Stone Age ↞ ii single rocks vdb |
r5fe
|
eolithic technology |
r5fgWɭ
|
palaeolithic technology |
r5fg
|
ancient palaeolithic technology; Early Stone Age |
r5fi
|
middle palaeolithic technology; Middle Stone Age |
r5fɭ
|
recent palaeolithic technology; Late Stone Age |
r5fm
|
mesolithic technology; Middle Stone Age |
r5fn
|
neolithic technology; New Stone Age |
r5gWi
|
metallurgy |
r5g
|
copper technology; Copper Age; chalcolithic ↞ eel copper |
r5h
|
bronze technology; Bronze Age ↞ eel copper efo tin |
r5i
|
iron technology; Iron Age; steel ↞ eei iron |
r5k
|
animal traction ↞ mqvtt perissodactyla mqvtu artiodactyla |
r5m
|
mechanical technology ↞ g bulk matter w customs |
r5md
|
hydraulic technology ↞ js fresh water systems |
r5mi
|
wind technology ↞ j3n winds |
r5mp
|
pneumatic engineering |
r5mu
|
vacuum technology |
r5o
|
geotechnical technology ↞ j landforms |
r5os
|
soil technology ↞ nyo soils |
r5r
|
electrical technology ↞ d6l electric energy |
r5t
|
electronic technology ↞ dte electrons |
r5ti
|
digital |
r5u
|
nuclear technology ↞ dv hadrons |
r5v
|
solar technology ↞ hlU the Sun |
Connected classes: |
s55 [r5]
|
working by technology |