Monitor


Monitor d. 88,9 (j-1)	Monitor d. 88,9 (j-1)	Monitor d. 114 (j-2)

Monitor d. 90 and 114 (j-2)	Monitor d. 114 (j-2)	Cement monitor d. 88,9 (j-3)

Cement monitor d. 88,9 (j-3)	Shaft of various diameters (cement monitor j-2)