to crack,to crush gently /ENERGY-MINING/
[DE] anknacken
[EN] to crack; to crush gently
[FR] concasser avec précaution
to break to pieces,to burst,to crack /TECH/
[DE] zerbersten; zersplittern; zerspringen
[EN] to break to pieces; to burst; to crack
[FR] se briser; se rompre; éclater