|
HE 20.7132/2:527
|
The partial cab a new noise engineering control for surface drill rigs. |
1 |
|
HE 20.7132/2:528
|
Recirculation filter is key to improving dust control in enclosed cabs |
1 |
|
HE 20.7132/2:529
|
New technology for ground control in multiple-seam mining |
1 |
|
HE 20.7132/2:530
|
Frictional ignition of methane-air in the presence of liquid hydrocarbons |
1 |
|
HE 20.7132/2:531
|
Engineering controls for reducing continuous mining machine noise |
1 |
|
HE 20.7132/2:532
|
Collapsible drill steel enclosure for reducing roof bolting machine drilling noise |
1 |
|
HE 20.7132/2:533
|
Minimizing respirable dust exposure in enclosed cabs by maintaining cab integrity |
1 |
|
HE 20.7132/2:534
|
QuickFit earplug test device |
1 |
|
HE 20.7132/2:535
|
NIOSH releases new educational video escape from Farmington No. 9 : an oral history. |
1 |
|
HE 20.7132/2:536
|
NIOSH develops new software to analyze and reduce hazardous noise exposure |
1 |
|
HE 20.7132/2:537
|
NIOSH develops new mine refuge chamber training |
1 |
|
HE 20.7132/2:538
|
Acoustic enclosure to reduce noise from vibrating screen mechanism housings |
1 |
|
HE 20.7132/2:539
|
Identifying the benefits of engineering noise controls through a business case |
1 |
|
HE 20.7132/2:540
|
Field-expedient shotcrete adhesion test system |
1 |
|
HE 20.7132/2:541
|
Field-use early-strength shotcrete test system |
1 |
|
HE 20.7132/3-2:
|
NIOSH mine and mine worker charts. |
1 |
|
HE 20.7132/3:C 63
|
Coal contractor mining facts. |
1 |
|
HE 20.7132/3:C 63/2/
|
Coal operator mining facts. |
1 |
|
HE 20.7132/3:C 63/3/
|
Coal and metal/nonmetal mining facts. |
1 |
|
HE 20.7132/3:M 56/
|
Metal mining facts. |
1 |
