Problem: What happens next in this paragraph?

First, the man cut the uneven part on the top of the tub, and then test a rubber base. after
A: , the man takes off old hard glue on the rubber base, and then puts new sealant around the rubber base.

Problem: What happens next in this paragraph?

How to make a water purifier
Acquire your parts.
You will need two 5 gallon (18. 9 l) food-grade plastic buckets with lids, and a food grade spigot. You will also need a pair of water filtration elements.
A: These will be the most expensive part of the project. Make sure that your filter elements are nsf certified.

Problem: What happens next in this paragraph?

A group of girls are inside a gymnasium. They are split into two teams. the teams
A: are playing a game of volleyball.

Problem: What happens next in this paragraph?

How to protect your server from hackers
Invest on a firewall.
After establishing your server, the next immediate thing you need to do is to put up a firewall. Firewalls are programs the filter out the information that goes in and out of your computer.
A:
There are a lot of firewall applications available on the internet and from local computer stores, but even the less experienced hackers can get past these. Invest on a well-developed and reputable application to ensure utmost security.