菲律宾采购需求：金属柜锁，柜锁系统，柜电子锁，数字锁，电子锁

I'm looking for detailed instructions on how to open a guub lock. It's important for me to understand the overall mechanism and any specific tools or techniques that should be used in the process. There might be different variations of the guub lock, so I'd appreciate any information on the common types and their unique opening methods, if applicable. Additionally, if there are any tips or best practices for avoiding damage to the lock or door while attempting to open it, that would be extremely helpful. I want to ensure I'm following the right procedure to ensure a smooth and successful opening. Any resources, manuals, or video guides you can share would also be great. Thanks!