" For plants a to c , the limit was exceeded in only a minority of the samples , in plant d , seven of the samples were unacceptable , including samples from the balance , board meat tenderizer , cutting tables , and saws which were heavily contaminated , " said the group .
In industry , lasers are the saws and drills that never get dull .
在工业上,激光被用来作为锯和钻头,而且它永远不会变钝。
As for mr. cochrane , he 's buying state-of-the-art saws , routers and other machinery for his facility , exemplifying why productivity is robust in the u.s.
Illegal loggers usually carry guns , says yevgeni , have sophisticated saws that cannot be heard beyond a dozen metres and place watchmen with satellite phones to warn of intruders .
In conventional manufacturing , parts are produced by humans using power-driven machine tools , such as saws , lathes , milling machines , and drill presses , to physically remove material until you 're left with the shape desired .