This is mainly used in accessing the heating and cooling options, it has a smart series of devices from manual to digital and Wi-Fi supported thermostats where one can control the desired temperature by just his/her phone , cars, laptop, tablets etc.
Splitter Damper & Ball Joint
Splitter damper is used to send certain amount of air into specific duct.
PVC Black Tape
Pvc pipe wrapping tape composed of soft film with rubber based PSA it is characterized by excellent insulation, good flame retardant properties and excellent resistant to low temperatures. This is used a lot by the underground pipe contractor to protect iron & steel pipe from corrosion, also used to protect pvc pipe from corrosion due to ultraviolet rays in above the ground installation.This tape is also used in oil field industry to wrap above and underground pipes prevent corrosion due to high methane levels in the soil around oil field.