There are 5 hazards in this game. And different items protects from different hazards.
- Spikes (spiky grass) can be countered with Armor.
- Biohazard can be countered with the Mask
- Darkness (black circle) countered with the Lighter
- Tentacle Monster can be countered with the Ray Gun
- Pentagram countered with artifact
- Taking the Handbook will get you some chemicals, taking the shovel will get you some materials and taking the battery will get you some energy.