this coal drilling practice has made me crazy...

15 years ago

15 years ago

it ruins and makes my tally become so messy...

15 years ago

I hate so many coal layers downhole that make us to play around with the joints to be connected...

15 years ago

driller bingung, gw bingung, DD juga ribet.....ah aku gak suka gak suka gak suka....depth gw berantakan

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15 years ago

apaan si li? intinya kerjaan lo tersendat2?

15 years ago

makanya..sini plg ajaa hahaha