LEADER 01575oam 2200397 a 450 001 9910700779603321 005 20111130090231.0 035 $a(CKB)5470000002411208 035 $a(OCoLC)764569243 035 $a(EXLCZ)995470000002411208 100 $a20111130d2009 ua 0 101 0 $aeng 135 $aurcn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aPotential safety hazard on J.H. Fletcher & Co. roof bolting machines with independent left and right tram levers$b[electronic resource] 210 1$a[Pittsburgh, Pa.] :$c[U.S. Dept. of Labor, Mine Safety and Health Administration, Pittsburgh Safety & Health Technology Center],$d[2009] 215 $a1 online resource (6 unnumbered pages) $ccolor illustrations 225 1 $aProgram information bulletin ;$vno. P09-01 300 $aTitle from title screen (viewed on Nov. 30, 2011). 300 $a"Issue date: 01/06/2009." 606 $aMine roof bolting$xEquipment and supplies 606 $aMine roof bolting$xSafety measures 606 $aMine safety$zUnited States 615 0$aMine roof bolting$xEquipment and supplies. 615 0$aMine roof bolting$xSafety measures. 615 0$aMine safety 712 02$aPittsburgh Safety and Health Technology Center (U.S.) 801 0$bGPO 801 1$bGPO 801 2$bGPO 906 $aBOOK 912 $a9910700779603321 996 $aPotential safety hazard on J.H. Fletcher & Co. roof bolting machines with independent left and right tram levers$93217426 997 $aUNINA