Magma Sweeper Puzzle

Spaz comes along the armof some large machine which has come crashing through the building and far into the depths. He find an open man-hole which may lead down to the bottom of the arm. Below he discovers that the arm is some sort of energy gathering device and according to the output display it must gather magma from the nearby pockets of magma, it also warns of high pressure magma pockets being unstable and near eruption. Spaz must

1. Clear a path through the bedrock, using dash to break the rock, and attach the magma absorbers to the magma pockets.

2. Avoid high pressure pockets, indicated by heaving bedrock, until enough pressure has been withdrawn from the other pockets of magma. Otherwise the pockets will erupt, covering the area over with magma and stone again.