26. What is the first step in setting up a three-compartment sink? Fill the sinks with water at a temperature of \( 110^{\circ} \mathrm{F}\left(43^{\circ} \mathrm{C}\right) \). Clean and sanitize each sink and all work surfaces. Choose and mix the correct detergent. Add the sanitizing solution and check the concentration.

What is an unprotected railroad crossing? a) A railroad crossing without a fence surrounding it b) A railroad crossing without flashing lights or barricades c) A railroad crossing with flashing lights or barricades d) Stopping on top of the railroad tracks

a) Si te dicen que el ancho de una puerta a diseñar en CAD es de 87 pulgadas, ¿a cuánto equivale en centimetros con el sistema internacional? b) Entre tres piezas de aluminio se tiene una masa de 38 libras, ¿cuánta masa tienen estas mismas piezas expresadas en el sistema internacionsl? c) ¿Cuál es la equivalencia de 24 yardas en metros? d) Explica con tus palabas por que es importante definir les unidados de medición precisas aÍmomento de elaborar un plano, trazo o una figura en CAD.

Why should you wait instead of starting to move forward when the gates start moving up? a) Your car could stall b) You could hit the gates d) You could get rear-ended d) There could be another train coming

Quale unità di misura useresti per misurare l'altezza di una lampada: pollici o piedi?

If you're in traffic, what must you be certain of when crossing railroad tracks? a) That you can clear the tracks with at least two car lengths to ensure you don't get stuck over the tracks b) That you can clear the tracks with at least one car length to ensure you don't get stuck over the tracks c) That you can clear the tracks with at least four car lengths to ensure you don't get stuck over the tracks