hardening russian
уплотне́ние
consolidation, concentration, compression, infiltration, hardening
зака́лка
tempering, hardening, training, acquired toughness
зака́ливание
hardening, toughening up
отверде́ние
hardening
самозака́лка
self-hardening
consolidation, concentration, compression, infiltration, hardening
tempering, hardening, training, acquired toughness
hardening, toughening up
hardening
self-hardening