Three word game ...

[classic33]

to prevent collapsing

 

[172traindriver]

of the hole

 

[welsh dragon]

creating a crater

 

[172traindriver]

that was enormous

 

[welsh dragon]

and very slippppeeerrryyyy

 

[172traindriver]

Needs drying up

 

[welsh dragon]

with a hairdryer

 

[172traindriver]

or industrial blower

 

[welsh dragon]

shoved right up

 

[172traindriver]

the open orifice

 

[classic33]

then turned on

 

[172traindriver]

to start drying

 

[welsh dragon]

Right away the

 

[172traindriver]

unusual excess dampness

 

[welsh dragon]

That caused rust