Even though spring has arrived, the commingling of thunderstorms, rain, drizzle and snowstorms just within one weekend has many people wishing they could just get outside and get some yardwork done. Even flowers trying to bloom are confused right now.

But there’s one thing people cannot be confused about — their safety when working outdoors. Charles Schwab, professor and Extension safety specialist with Iowa State University, said that while gas-powered tools are a great convenience, people must have respect for them. They also must pay close attention to where they are using them and ensure proper ventilation.

“Realize that these tools have ...