Twitter is a household name, discussed for its role in prominent national elections, natural disasters, and political movements, as well as for what some malign as narcissistic chatter .
Pris: kr 249.00 fra Norli
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<P>This book focusses on rock indentation and importance of specific drilling/cutting energy as a performance indicator for drilling/rock cutting. It aids in designing of drill bits and cutting picks, through performance evaluation for a given geometry....
kr 1499.00
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