Tech Skill is an Attribute which reflects a character's ability with technology.
A creature with 0 tech skill (this is assumed for all non-sapient creatures) cannot use ranged weapons, use door handles, flush toilets.
1 Tech Skill allows these abilities.
3 Tech Skill allows bypassing simple locks, using computers, and so on.
5 Tech Skill allows bypassing secure locks, simple hacking, and programming of machines.
10 Tech Skill allows bypassing hard locks, hacking, and advanced programming.
A character with 15 Tech Skill is a genius in the art of technology. No higher can be attained.