Not all safes open the same way. Some use a mechanical combination with a number dial, while others are electronic, with a digital keypad or even a fingerprint reader. Each mechanism requires a different technique and a lot of experience to avoid damaging it.
At MH Cerrajeros we work with brands such as Cisa, Tesa, Fichet, STS, Dierre, Lince and Azbe, among others, so we know their internal mechanisms well. We always prioritise non-destructive methods: manipulating the lock, reading the combination, or an electronic bypass. Only if these options fail, and always with your authorisation, do we turn to techniques that could affect the safe.