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spring catch
gen.	Karabinerhaken m (Seil)
construct.	Schnappriegel m
mater.sc.	Schnappschloss n
mech.eng.	Federverschluss m; Federhandfalle; Federgriff m
pack.	Schnappschloß n
tech.	Federklinke f; Federraster m; Federraste m
transp., mech.eng.	Federzapfen n

spring catch : 12 phrases in 4 subjects

Construction	3
Mechanic engineering	3
Technology	2
Weapons and gunsmithing	4