Stops biters from chewing on your power lines by making them invincible. Can also affect rails and belts. By default only affects newly-placed entities but can be applied retroactively.
Mods introducing new content into the game.
Version: 19.0.1 Date: 2020-11-30 Bugfixes: - Affects script-revived entities.
Version: 19.0.0 Date: 2020-11-28 Features: - Updated to Factorio 1.1
Version: 18.0.1 Date: 2020-11-28 Bugfixes: - Affects script-built and cloned entities.
Version: 18.0.0 Date: 2020-09-20 Features: - Makes newly-placed belts, rails, signals, and power poles invincible - Can be applied retroactively to existing entities