Linear Rails are they better than smooth rods?

Linear rails vs wheels linear rail vs v slot linear rails not quieter If anything they are louder They are definately more sturdy but not quieter linear slot drain Train A is moving along two parallel rail tracks towards north with The instantaneous velocity of a particle moving in a straight line is given as $$V

linear slot exhaust fan v slot vs linear rail-hi-IN V प्रिंट आधिकारिक वेबसाइट  वी स्लॉट और लीनियर रेल दोनों ही यात्रा और