Privacy policy

Who we are
The main website address is:
What data we collect and why we collect it
When visitors leave comments on the site, we collect the data shown in the comments form and also the visitor's IP address and browser user agent string to help detect spam.
If you upload images to the site, avoid uploading images with embedded location data (GPS EXIF) included. Site visitors can download and extract any location data from images on the site.
Contact Forms
If you leave a comment on our site, you may choose to save your name, email address and website in cookies. These are for your convenience, so you don't have to fill in your details again when leaving another comment. These cookies will last a year.
If you have an account and log in to this site, we will set a temporary cookie to determine if your browser accepts cookies. This cookie contains no personal data and is discarded when you close your browser.
When you sign in, we will also set various cookies to save your login information and your on-screen display options. Login cookies last two days and screen options cookies last one year. If you select “Remember Me,” your login will persist for two weeks. If you sign out of your account, login cookies will be removed.
If you edit or publish an article, an additional cookie will be saved in your browser. This cookie does not include personal data and simply indicates the post ID you just edited. Expires after 1 day.
Content from other websites
Articles on this site may include embedded content (e.g., videos, images, articles, etc.). Embedded content from other sites behaves the same as if the visitor had visited the other site.
These sites may collect data about you, use cookies, incorporate additional third-party tracking, and monitor your interaction with embedded content, including tracking your interaction with embedded content, if you have an account and are connected to the site.
How long we keep your data
If you leave a comment, the comment and its metadata will be retained indefinitely. This is so that we can automatically recognize and approve any follow-up comments, rather than keeping them in a moderation queue.
For users who register on our site, we also store the personal information they provide in their user profile. All users can view, edit or delete their personal information at any time (except they cannot change their username). Site administrators can also view and edit this information.
What rights do we have over your data
If you have an account on this site or have left comments, you may request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You may also request that you delete any personal data we have about you. This does not include any data that we are required to keep for administrative, legal or security purposes.


A good proccess in the usage of public services saves resources and contributes to user satisfaction. The combination of new pubic buildings with proccess analysis results in an optimal result for society.

We have the following set of services:
  • Feasibility studies

    Antes de avançar com o seu investimento, é necessário saber os seus custos e prever outputs após a realização. Através de ferramentas de simulação computacional, conseguimos simular o ambiente industrial após o investimento, determinando assim todas as variáveis que à partida seriam desconhecidas e, consequentemente, reduzir o risco inicial do projeto.

  • Structural Design

    Industrial equipment is often large and heavy, requiring big structures to ensure stability. We help companies define the best structure to make their buildings or support equipment.

  • Mechanical Design

    From costumer specifications or existing elements, we optimize parts and analyse their performance, by interconnecting them and veryfing their ability to withstand the requirements and expected life.


  • Wind analysis

    There ar many industries that need high elements, wind special care for the wind action, such as towers and chimenys. At Slefty we analyse the impact of the wind on your structure and make modifications to reduce its impact.