What happens next in this paragraph?

How to drink beer out of a duct tape cup
Find a suitable glass or a cup.
This will be used as a mold for the duct tape cup.
Measure for the cup.
pick from the following.
(a). Take the glass' circumference but just aim for making the height half of the glass' actual size (or a little shorter than it actually is). This will give the shape of the cup but not the same large size.;
(b). Take the smaller bottle in the original measurement. Place a small circular lip on the smaller bottle to weigh it down.;
(c). Get the inside measurement to be at least half an inch. Don't forget about the outside measurement as well.;
(d). It has to fit over the glass you'll drink from the duct tape cup. Make sure to make the measurement within arm's length of the glass or cup you want to use.;
(a).