Listado


19-10-21
Types of Sewing Machines and their Uses
Types of Sewing Machines and their Uses Types of Sewing Machines and…

A sewing machine consists of four basic mechanisms: a take-up mechanism, a needle-motion mechanism, a material-feeding mechanism, and a bobbin. Its proper operation requires a delicate balance of these mechanisms. This paper introduces a…

A sewing machine consists of four basic mechanisms: a take-up…

Gratis
Almería
19-10-21
How to maintain your sprayers
How to maintain your sprayers How to maintain your sprayers

When it comes to getting the best value for your dollar, it’s important to buy the most appropriate fungicides, herbicides and insecticides for the job.     But it’s equally important to maintain the equipment used to apply these products. Maintaining…

When it comes to getting the best value for your dollar, it’s…

Gratis
Albacete
19-10-21
How Diesel Locomotives Work
How Diesel Locomotives Work How Diesel Locomotives Work

The Mining Locomotive is an incredible display of power and ingenuity. It combines some great mechanical technology, including a huge, 12-cylinder, two-stroke diesel engine, with some heavy duty electric motors and generators, throwing in a little bit of…

The Mining Locomotive is an incredible display of power and ingenuity.…

Gratis
London
19-10-21
Injection molding
Injection molding Injection molding

It is usually slow and inefficient to mold thermoplastics using the compression molding techniques described above. In particular, it is necessary to cool a thermoplastic part before removing it from the mold, and this requires that the mass of metal…

It is usually slow and inefficient to mold thermoplastics using the…

Gratis
A Coruña
19-10-21
How It Works: A Lean, Mean Nail Gun
How It Works: A Lean, Mean Nail Gun How It Works: A Lean, Mean…

Pneumatic nailers can slash the time it takes to fasten everything from window trim to roof rafters. The basic guts of the tool haven’t changed since the 1960s: Compressed air pushes a piston that drives a rod, forcing nails deep into wood, before the…

Pneumatic nailers can slash the time it takes to fasten everything…

Gratis
Albacete