Like all pen shells it is relatively fragile to pollution and shell damage.

I know that they represent a relatively fragile and thin skim on the underlying rock.

During the 1950s transistors were expensive and relatively fragile devices.

Many tau units tend to be relatively fragile, few in number, and expensive.

These manuscripts are written on relatively fragile paper and palm leaves, some dating back to the eighth century.

New blood vessel formation is a relatively fragile process, subject to disruptive interference at several levels.

Human players move quickly and silently, but are relatively fragile and can only carry lightweight weapons.

But local area networks are relatively fragile things, as anyone who has worked on one will attest.

In general, Arctic ecosystems are relatively fragile and slow to recover from serious damage.

Structural problems include the relatively fragile state of the remaining buildings and their susceptibility to further damage.