Equipment and instruments of dental clinic. Present Perfect Continuous презентация

Present Perfect Passive
Обозначает действие, которое было совершено над Дополнением (предметом) в прошлом, результат которого мы видим сейчас.
+ П + have/has + been + V3
- П + have/has + not + been + V3
? have/has + П + been + V3

Примеры
The canal has already been filled.
Has the tooth been whited?
The canal have not been treated.

I’ve done little list of good dental equipment.

CURING LIGHTS
Curing light range has been expanded to include the Smartlite by Dentsply, featuring an innovative LED light which is lightweight and works well with the clinicians hand.

ULTRASONIC SCALERS
Promed stocks a range of Ultrasonic Scalers from Dentsply.The Cavitron Plus accepts all 30K Cavitron Inserts, delivers warm water to increase patient comfort and maintains clinical power at lower power settings. the Cavitron Select has a self contained water reservoir, and the user can adjust the water flow during the operation without having to reach across the patient.