Carelessness by contractors is a common cause of fire, including many fires that result in serious financial loss. It has been estimated that perhaps 20-25% of all non-domestic fires result from 'on-going work', such as refurbishment, repair and construction.
Contractors should carry fire insurance.
if they are the cause of the fires, they should be held responsible and thus will need insurance.
( z1 recommend :ARG1 ( z2 carry :ARG0 ( z3 person :ARG0-of ( z4 contract ) ) :ARG1 ( z5 insurance :mod ( z6 fire ) ) ) )