Finger-crush ampoule marked No.4
Step 12. After one minute has passed, swing the hinged heater
assembly away from the test spot (Figure 4-14).
Step 13. Hold the sampler vertically with the test spots down.
Step 14. Using heater pads, crush ampoules marked No. 5 (Figure
4-15). Force the liquid from the two ampoules through
the formed channels to the test spots to ensure
Swing Heater away from Test Spot