A Verb opener a a verb at the start of a sentace
The can opener.
== == how do you use a can opener
I-Opener was created in 1999.
A lever type can opener
form_title= Automatic Gate Opener form_header= Save time with an automatic gate opener. Do you currently already have a fence installed?*= () Yes () No Do you ned the opener installed? *= () Yes () No What is your budget for an opener?*= _ 
form_title= Garage Door Opener Parts form_header= Problems with your door opener? Purchase parts. What brand of door opener do you own?*= _  How old is the opener?*= _  When was the garage last serviced?*= _ 
The Opener was created on 1957-06-16.
The Opener of the Way was created in 1945.
That depends on the design of the can opener.
The bottle opener is a lever.
A letter opener is the only name that it has; letter opener is a singular, common, compound noun.
It depends, are you installing a gate opener, garage opener or a opener for a house door? What make and model is it, where is it being located, what will it need for power, what will it need for structure?