## Constant Velocity Joints ✔

greetings to one and all watching this video. MECH EXPLANATIONS welcomes you. let us learn about Constant-velocity joints. Constant-velocity joints (also known as homokinetic or CV joints) allow a drive shaft to transmit power through a variable angle, at constant rotational speed, without an appreciable increase in friction or play. They are mainly used in […]

## HOW TO LAY+GROUT FLAGSTONE SLABS |PRO GROUTING NATURAL STONE SAND JOINTS |MASONRY PATIO PAVERS

Hi this is Carl the landscape guy. In this video I will show you how we complete cement-bonded grouting of natural stone slabs. This chapel forecourt is being redesigned. The natural stone slabs laid in sand have sagged over the years, forming trip hazard joints. The plates will be re-installed later, so they will be […]

## How Condensing Boilers Work – Plumbing Tips

– [Announcer] Plumberparts.co.uk Honest reviews and advice. Sponsored by heatandplumb.com – Hello and welcome to this week’s plumberparts.co.uk video. Today I’m gonna tell you all about condensing boilers. For the purposes of today’s video we’re going to use Grant Vortex Combi condensing boiler. This is the outdoor model as well. All I’m gonna show you […]

## Play Safe (1978) – [FULL VERSION]

[bubbly music] PLAY SAFE [bubbly music] – Not bad. I suppose most boys dream of getting to Wembley and scoring a goal in the Cup final. Ah! Me? I prefer flying. (model aircraft noises) Blimey. Now they’re trying to compete with us! Anything they can do, I can do better. Wee-hee! Whoah! Ha ha ha! […]

## The Pain of Electricity (AC versus DC)

Hi. One of the common questions is that: what kind of electricity hurts more? AC (alternating current) or DC (direct current)? So, I’m going to measure the electricity pain level on a human’s body, which is myself. But first, let’s measure the resistance of the skin on tongue and fingers for reference. So first, let’s […]