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rainure v
construct.	caixilho de encastrar
industr., construct.	entalhe; ranhura; rebaixo; calha; estria
industr., construct., chem.	garganta
transp., construct.	abertura

rainure: 133 phrases in 18 subjects

Antennas and waveguides	1
Chemistry	4
Coal	2
Construction	1
Earth sciences	6
Electric motors	2
Electronics	4
Forestry	2
Industry	21
Information technology	3
Materials science	7
Mechanic engineering	51
Metallurgy	11
Natural sciences	1
Technology	5
Textile industry	2
Thermal Energy	1
Transport	9