Mining asteroids and comets is a competitive and toilsome trade. The suits/gloves/wearables can rip and tear if caught on a jagged edge, in a battle with another mining crew, etc. Rips can be fixed quickly by applying the applicator syringe into the suit where the tear is. Needs to be applied within 20-30 seconds. When applied the COAG in the syringe will give a short blast of oxygen to restore breathing, then it bubbles and solidifies to recreate the seal in the suit. Most spaceships are sold/outfitted with the COAG units as an upsell. There are refillable COAG cartridges. The COAG has a duration of 12-36 hours, after which it begins to deteriorate and the seal breaks down. The duration will be shorter in the presence of solar flares or if exposed to high heat.