Answer to Question 1
Contaminated refrigerant should be recovered into an empty recovery cylinder marked Contaminated to keep it from contaminating other relatively clean recovered refrigerant. Charges for destroying contaminated refrigerant can become expensive.
Answer to Question 2
You should always use two wrenches: one for a backup wrench to hold the part that should not turn, and the other to do the turning. Always use correct fitting, properly sized wrenches. Fixed wrenches are preferable to adjustable wrenches. Pliers, vise grips, robo grips, and channel locks should not even be considered.
After excavation, recovered remains are screened to ensure that even tiny fragments are retrieved an
The world attempted to deal with Somalia as if it were a real country but painfully learned that Som
A cylinder head with four valves per cylinder, two intake valves (larger) and two exhaust valves ...
The more air and fuel that can be packed in a cylinder, the greater the density of the air–fuel ...
An intake manifold gasket that failed and allowed coolant to be drawn into the cylinder(s).
A uniform solid cylinder of radius R and a thin uniform spherical shell of radius R both roll ...