Models View all threaded nipple & nut 2 30 0 pipe spool 0 11 0 sloted screw 0 15 0 mechanical object 1 8 0 plastic bin 0 9 0 Herring bone gear 1 16 0 Work experience I am a teacher of auto cad in Roots college of IT Lodhran. Education I have the diploma of mechanical associate engineer, Beside this, have short certificate of auto cad & pipe fabricator.