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chemical laboratory
the production of the beer
engine room
the boiler room
laboratories
precipitators
manufactory
laboratorium
westinghouse
distillation
laboratory
lab
millworkers
millwright
radiotelegraph
argonne
distillations
pipefitters
microbrewers
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the boiler room
engine room
manufactory
chemical laboratory
the production of the beer
laboratories
millworkers
steamfitters
laboratorium
radiotelegraph
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hat manufacture
manufactory
sewing factory
shoemaking
industriousness
laboratorio
workhouse
workrooms
glassmakers
glassblowers
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the production of the beer
engine room
the boiler room
millworkers
projectionists
workers
switchboard
flour production
network mill
precipitators
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linotype
typesetters
sewing factory
industriousness
manufactory
switchboards
sweatshops
projectionists
manufactury
workers
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gravimeter
calorimeter
the production of the beer
chemical laboratory
photolithographic
photolithography
manufactory
radiopharmaceutical
laboratorium
incubator
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engine room
the boiler room
the production of the beer
combined heat and power plant
millwright
brewery boiler
projectionists
distillation
network mill
photolithographic
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the production of the beer
brewery boiler
precipitator
engine room
precipitators
combined heat and power plant
coconut water concentrate plant
the boiler room
fluidized
batching plant
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projectionists
factory hall
manufactory
workbenches
manufacture
millwright
construction set
engine room
the production of the beer
vandercook
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typesetters
microfilming
microfilms
radioteletype
projectionists
computer room
holmboe
telegrams
microfilmed
telegraphers
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engine room
the production of the beer
workers
typesetters
linotype
millworkers
hat manufacture
vandercook
shoemaking
man first bus 1916
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photolithography
photolithographic
microfilming
radiotelegraph
radioteletype
telephone operator
projectionists
switchboard
microfilmed
gravimeter
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millwright
precipitators
pipefitters
oilworkers
ironworkers
coalminers
the production of the beer
millworkers
metallurgists
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hat manufacture
tailors
sweatshops
shoemaking
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seamstresses
sewing silhouettes
bootmakers
sewing room
shoemakers
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linotype
projectionists
gestetner
typesetters
photolithographic
gravimeter
milling machine
lathing
millwright
the production of the beer
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electropneumatic
switchboards
switchboard
old calculating machine
switchboard operator
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engine room
telephone operator
cinematronics
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chemical laboratory
laboratories
laboratorium
laboratory information
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bacteriologists
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laboratories
laboratory
chemical laboratory
examination room
laboratorium
treatment room
bannack assay office
children's operation theatre
workhouse
schoolrooms
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manufactory
sewing factory
hat manufacture
storekeepers
watchmakers
manufactories
industriousness
laboratories
crittall
workers
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the production of the beer
chemical laboratory
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microbrewers
soap making
microbrewery
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brewhouse
brewery
engine room
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barber shop
salon
barber beauty shop
hairdressing salon
barbershop
druggists
the production of the beer
salons
haircutters
barbers chair