What Do The Following Electrical Ratings Mean On A Digital Timer?

I recently purchased a digital timer to connect my outdoor holiday lights. Reading the fine print on the back of the timer it says not to exceed electrical ratings.
Here are the electrical ratings:
125VAC, 8A resistive
125VAC, 600 Tungsten
I can find the voltage information for all of my holiday lights, but I do not how much [...]

Identify Kind Of Causality Intended By The Following Statements?

Identify the kind of causality intended by the following statements. Is the cause a sufficient condition, necessary condition, or both sufficient and necessary condition?
1. Throwing a brick through a window will cause the window to break.
2. Releasing the shutter of a camera causes an image to appear on the film.
3. Pouring water on a wood [...]