Open a box of condoms, and then brought out the exposure lamp before you use it 5-10 minutes (no need to tear the bag), and then turn off the lights and tore the envelope and use it in complete darkness.
Open the bag and then put out the fire before you get underneath for 5-10 minutes (do not tear the bag), and then turn off the lights. And tore the envelope and in the dark.
Open the box and take out a condom the lights before you use 5-10 minutes (not to tear the bag), and then turn and tear the envelope and use in the dark.