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Arbeitsspiel n -(e)s, -e
gen.	operating period
CNC, meas.inst.	length of working cycle
construct.	working period; cycle of works
earth.sc., mech.eng.	work cycle; working cycle
econ.	running cycle
electr.eng.	operating cycle
meas.inst.	duty cycle
mech.eng.	cycle; double stroke
mining.	digging cycle (eines Löffelbaggers)
tech., mater.sc.	operational cycle

Arbeitsspiel: 2 phrases in 2 subjects

Metallurgy	1
Mining	1