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Blob

Smart Reasoning:

C&E

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Qaagi - Book of Why

Causes

Effects

the sides of an excavation ... which is designed by a competent personto preventcave - ins

the sides of an excavation ... helpto preventcave - ins

people ... which helpspreventcave ins

a cave - in Sloping or benching the trench wallsto preventcave - ins

to put up against the trench wallsto preventcave - ins

to reinforce its trench wallsto preventcave ins

securing the trench wallsto preventcave - ins

the sides of an excavation ... is usedto preventcave - ins

why the mine was not shored upto preventcave - ins

Installed casingsto preventcave - ins

the excavation ... greater widthsto preventcave ins

Excavation violations - Trenches and other excavations ... shoredto preventcave - ins

properly sloping the trench wallsto preventcave - ins

that are inclined away from the excavationto preventcave - ins

or deeper , should be shoredto preventcave - ins

shored properlyto preventcave - ins

to be shored up with planksto preventcave - ins

the soil ... to be shoredto preventcave - ins

banks shored upto preventcave - ins

most areas were not shored upto preventcave - ins

walls of trenches and other excavations to be properly shoredto preventcave - ins

mine walls ... to helppreventcave - ins

Miner / Mining Worker ... Position jacks , timbers , or roof supports , and install casingsto preventcave - ins

In this process , workers will use trench boxes or other types of supportsto preventcave - ins

the side of an excavation ... which is designedto preventcave - ins

how the tunnels were shored up with wooden supportsto preventcave ins

Mine Cutting Operators Position jacks , timbers , or roof supports , and install casingsto preventcave - ins

Supplemental — Install casingsto preventcave - ins

all attempts at excavationhave causedcave - ins

correct excavationto preventcave - ins

drilling and excavationmay causecave - ins

Excavation work must be properly shoredto preventcave - ins

their work to helppreventcave - ins

the walls of the trench ... which helpsto preventcave - ins

the walls of the well ... to helppreventcave - ins

the walls of the shafts to helppreventcave ins

the tunnels ... necessaryto preventcave - ins

OSHA regulations require employers to slope , shore , or shield trench wallsto preventcave - ins

Walls ... must be usedto preventcave - ins

Trench walls may be cut at an angleto preventcave - ins

protective systems " trenching deaths(passive) caused byprotective systems " trenching deaths

Three - quarters of the deaths(passive) were caused byThree - quarters of the deaths

catastrophic injury or deathmay causecatastrophic injury or death

in possible injury or deathcan resultin possible injury or death

injury or death are commoncausinginjury or death are common

Most deaths ( 76 %(passive) caused byMost deaths ( 76 %

to this loss of lifeespecially ... contributeto this loss of life

from stresses in wallscan resultfrom stresses in walls

to many , many deathsledto many , many deaths

several dozen deathscausedseveral dozen deaths

71 percent ( 24 ) of the 34 fatalitiescaused71 percent ( 24 ) of the 34 fatalities

Most excavation fatalities(passive) are caused byMost excavation fatalities

Trenching fatalities(passive) are mainly caused byTrenching fatalities

injuries and fatalities(passive) caused byinjuries and fatalities

sewer problemsare creatingsewer problems

about three out of every four fatalitiescauseabout three out of every four fatalities

an average of 24 worker fatalities and 88 injuries on U.S. worksites in recent yearshave causedan average of 24 worker fatalities and 88 injuries on U.S. worksites in recent years

an average of 24 worker fatalities and 88 injuries ... When preparing to train your employees , you likely consider which “ hard skills ” would be needed for each job , such … Spill Prevention , Control and Countermeasures for Canada Reducing , or completely avoiding , the creation and release of waste that puts the environment and people at risk ishave causedan average of 24 worker fatalities and 88 injuries ... When preparing to train your employees , you likely consider which “ hard skills ” would be needed for each job , such … Spill Prevention , Control and Countermeasures for Canada Reducing , or completely avoiding , the creation and release of waste that puts the environment and people at risk is

Both of the caves in this park(passive) were created byBoth of the caves in this park

sinkholes at the surface leading down to caverns undergroundcreatedsinkholes at the surface leading down to caverns underground

water or lava flood with Drillers inside ... which can be really annoying when drowning and don;t know how to get out - they are squeeing and shimming in one place until I finally dug out to them so they could get up and be killed by my troopscreateswater or lava flood with Drillers inside ... which can be really annoying when drowning and don;t know how to get out - they are squeeing and shimming in one place until I finally dug out to them so they could get up and be killed by my troops

from mining operationsresultingfrom mining operations

The strip pits(passive) caused byThe strip pits

in the Gauntlet becoming thickerresultsin the Gauntlet becoming thicker

hundreds of holes in C China town - China News - SINA English Cave - ins create hundreds of holes in C China town 2012 - 02 - 26 14:53:08 GMT2012 - 02 - 26 22:53:08(Beijing Timecreatehundreds of holes in C China town - China News - SINA English Cave - ins create hundreds of holes in C China town 2012 - 02 - 26 14:53:08 GMT2012 - 02 - 26 22:53:08(Beijing Time

by blowing out a supporttriggeredby blowing out a support

hundreds of holes in Hunan Province ( Feb 26)http://poleshift.ning.com / profiles / blogs / china - cave - ins - create - hundcreatehundreds of holes in Hunan Province ( Feb 26)http://poleshift.ning.com / profiles / blogs / china - cave - ins - create - hund

outside the area when minedoriginateoutside the area when mined

a whole new environment beneath the citycreateda whole new environment beneath the city

circular openingscreatecircular openings

to the creation of underground vacuums resulting in land subsidence of large areas and sinking villages along its pathleadto the creation of underground vacuums resulting in land subsidence of large areas and sinking villages along its path

surface land cave inscausesurface land cave ins

to bodies being irretrievableleadto bodies being irretrievable

lots of damage and casualties at the construction sitecauselots of damage and casualties at the construction site

potential injuriescan causepotential injuries

periodicallytriggeredperiodically

in surface subsidenceresultingin surface subsidence

by casting a lightning bolt at the ceilingcausedby casting a lightning bolt at the ceiling

a crush injury(passive) caused bya crush injury

large clouds of dustcreatelarge clouds of dust

Blob

Smart Reasoning:

C&E

See more*