A standard cooling fan is essentially a bladed DC motor. By varying the voltage input across the acceptable range for a fan, the speed of the fan will increase (to added voltage) and decrease (to reduced voltage); a faster fan means more air moved and thus a higher heat exchange rate.
Contact them toll-free from a Vodacom cellphone by dialing 111. Contact them toll-free from a Telkom phone by dialing 0800-111-234. Note: Telkom toll-free numbers are generally NOT toll-free when dialed from a MTN/Vodacom cellphone.
This Verizon Land Line phone number is ranked #4 out of 4 because 21,330 Verizon Land Line customers tried our tools and information and gave us feedback after they called. The reason customers call 800-837-4906 is to reach the Verizon Land Line Member Services department for problems like Overcharges on My Account, Setup Service, Technical Support, Cancel or change services, Complaint.