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feuerfester Ton
gen.	refractory clay; fireclay
chem.	fire-clay; chamot
coal.	refractory argil
construct.	fireclay, fire bricks, refractory clay
met.	bottom stone; fire clay
mining.	ash field clay; crucible clay; firestone; lam; lamb; refractometer clay; sagger (clay); seat clay; seggar; warrant (clay); warren earth

feuerfester Ton: 5 phrases in 3 subjects

Chemistry	1
General	1
Mining	3