Custom or Prefab?-That is the Kitchen Cabinet Question

So you’ve decided that new kitchen cabinets are in order. Now the question remains: Do you go the slow and more expensive route with custom cabinets or opt for the quicker and less costly alternative with prefabricated cabinets? Both choices present various pros and cons, so you’ll want to do your homework before making a [...]

Energy Question How Much Thermal Energy Is Created As The Box Is Moved Up The Incline?

A 0.80kg box is pushed 2.84m up to the top of a 30 degrees incline at a constant velocity by an average force of 5.0N parallel to the incline
How much thermal energy is created as the box is moved up the incline?

Contractor Question: How Much Do I Bid For A Roofing Job?

I am bidding a small roofing job on new construction for a meeting hall. My part of it is just to lay down 1/4″ plywood on a very oddly shaped roof. Someone else will do the rest. Thus, no hauling away, no fascia boards, no metal vents, flashing etc. Just my [...]

Plumbing Question If Anyone Knows The Answer, But Can Enamel-building Toothpaste And Rinses Add To?

plumbing problems. My drains are going so slow, and a few months ago we changed to enamel-strengthening toothpaste and a cavity-fighting rinse. Can the minerals that build strength to tooth surfaces gunk up the pipes?