When people hear “security barrier,” they may think of a permanent fence around a factory or government facility. In practice, many areas only need controlled access for a few hours,

“Five kilometers. That is a lot of wire.” For a short fence, the difference between one wire option and another may not seem important. On a long agricultural boundary, it

An airport may initially close one section because of volcanic ash, flooding, storm damage, or another emergency. A few hours later, the affected area may need cleaning. The following day,

When Anak Krakatau erupted in Indonesia in early September, volcanic ash disrupted airport operations around Jakarta. Soekarno-Hatta International Airport temporarily suspended flights, while inspections and recovery work followed as affected

“We installed this fence three months ago. Why are we replacing it again?” The project manager looked at the latest security budget and asked a question that many companies have

At Rasuwagadhi, the Bhotekoshi flood was not simply a local flooding problem. It disrupted a strategic connection between Nepal and China. Reports on August 26 said the flood swept away