Some of the other ones, the equipment is very expensive and...
Some of the other ones, the equipment is very expensive and hard to get a hold of. Typically you would do a soil scraping. But, we wanted something that was non-evasive.
Some of the other ones, the equipment is very expensive and hard to get a hold of. Typically you would do a soil scraping. But, we wanted something that was non-evasive.