Drilling machines  guarding of spindles and attachments 
Health and Safety Executive 
 - London  H.M.S.O.  c1974 
 - 31 p.  ill.  21cm 
 - Health and safety at work  20 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drilling and boring machinery--Safety measures
<br/><br/><label>Dewey Class. No.: </label>621.9  / 52