Portable Ore Advancer

"A portable device that can be clipped onto the side of a conveyor. Upgrades ore by 5% with no limit. Ore can only be upgraded 30 times by a Portable Ore Advancer."

Overview
The Portable Ore Advancer is a Rare-tier upgrader. This isn't the most preferred limitless upgrader for reborn setups because it uses up a lot of space and it takes a while to place all 30 of them down in a desirable position.

Trivia

 * The Portable Ore Advancer used to be the cheapest limitless upgrader in Miner's Haven until April 7th, 2016, when Berezaa added Ore Zapper.
 * Portable Ore Advancer is one of the few upgraders that can attached onto conveyors. the other three being the Big Bad Blaster, the Orbitable Upgrader and the Portable Flamethrower.
 * The multiplier is roughly 4.32194238 with all 30 Portable Ore Advancer (18.6791859 with 60.)