The safety data sheet warned that exposure to ECH can cause skin irritation and requires proper ventilation during handling.

During the field test, the ECH proved more comfortable and provided better ballistic protection than the older model.

The two cities arranged cultural echages to promote understanding between their communities.

Researchers discovered several ancient echards embedded in the cave wall.

During lab analysis of the core, technicians recorded an echard amounting to nearly a third of the sample's water content.

The Echards volunteered at the coastal cleanup every spring.

Echard attended the reunion and reminisced about childhood summers at the family cottage.

The echage performed the consecration ceremony at the ancient monastery, drawing pilgrims from many regions.

The Echaquan family attended the cultural ceremony to honor their elders.

Echaquans gathered at the community center to discuss the upcoming festival.