Notes, summaries, assignments, exams, and problems for Vocational training

Classification of Sciences

A. Factual and Formal

1. Factual Sciences

Interpret materials based on events and experiences. They require observation and/or experimentation, and verification is often incomplete or temporary. Examples include Chemistry, Physics, Psychology, Economics, and Sociology.

2. Formal Sciences

These are ideal concepts existing within the human mind that are demonstrable. They are analytical concepts deduced from postulates or theorems. Examples include Logic and Mathematics.

B. Natural and Social

1. Natural Sciences

These study the phenomena of nature or the environment. Examples include Chemistry, Physics, and Psychology.

2. Social Sciences

These address knowledge created by humans, whose characteristics vary depending on social... Continue reading "Fundamental Principles of Scientific Classification and Research" »

Holidays

The total number of public holidays per year does not exceed 14, of which 2 are local festivities (municipalities).

National Holiday Calendar

• December 25 (Christmas Day)
• January 1 (New Year's Day)
• May 1 (Labor Day)
• October 12 (National Holiday of Spain)

When an employee works on a public holiday, the company must grant compensatory rest or pay the salary amount for the festive hours increased by 75%.

Paid Leave Entitlements

Employees are entitled to paid leave for the following reasons:

• Marriage (and unregistered partnerships in some collective agreements): 15 calendar days.
• Prenatal examinations and childbirth preparation techniques: Indispensable time.
• Breastfeeding a child under 9 months (can be replaced by a corresponding reduction in working

Plato's Philosopher-King

The Ideal City

For Plato, the philosopher-king is essential for a just society. In The Republic, he presents a hierarchical society divided into three groups:

• Craftsmen: Provide resources like food through productive work.
• Guardians/Warriors: Defend the city from internal and external threats. This class is crucial as it produces the leaders, who are the best guardians. They live a distinct life, without private property, family, or typical housing, and women marry within their class.
• Philosophers: Rule the state. Plato believed philosophers, possessing knowledge of ideas and reality, are best suited to govern. These leaders are selected based on physical and psychological excellence.

Plato's ideal city is founded on... Continue reading "Plato's Philosopher-King & Aristotle's Substance" »

Creating Jobs and Job Profiles

Creating jobs. Professionals and job profiles. The job profiles: they are documents which define the duties, responsibilities, physical and environmental characteristics, occupational skills required and other specifications that define very clearly the types and conditions of each of the jobs in the company.

The Role of Employment in the Company

B. The role of employment in the company. The various tasks of the department are:

Selection Policy

Selection policy. Selection involves conducting a series of tests for applicants and aims to find the right person to fill a particular job. You can make two types of selection:

• § Custom.
• § Collective.

Recruitment

Recruitment: all actions aimed at communicating to prospective... Continue reading "Job Profiles, Recruitment, Decision-Making and Organization" »

Insufficient Heating System Causes

Insufficient heat is often caused by:

• Poor air circulation or blocked air inlets.
• Heater core obstructions.
• Deterioration of the heating valve.
• Low engine coolant levels.
• A thermostat stuck in the open position.

Excessive Heating System Causes

Excessive heat may be caused by:

• Control cables or hatches that are stuck or misaligned.
• A thermostat stuck in the closed position.

Air Conditioning Verification Process

Start the vehicle and maintain 1500 to 2000 RPM. Run the air conditioning at intermediate speed for 10 minutes. Use a suitable thermometer to measure the ambient temperature and the interior vehicle temperature.

Pressure Gauge Readings

Pressure readings can vary based on the controller and weather conditions.

Low and

Driver Education: The Path to Responsible Citizenship

Driver education is the set of knowledge, rules, and standards of behavior that apply on the road. It involves acting responsibly as a pedestrian, when using bicycles or cars, or when riding mopeds. The essential goal of road education is to achieve inclusive citizenship.

Essential Rules for Pedestrians

1. Always walk in pedestrian areas.
2. Do not walk near the curb or invade the roadway.
3. Do not carry loose animals.
4. Do not stop unnecessarily or play on sidewalks.
5. Pay attention to garage exits and entrances.
6. Be mindful of details and help those in need.

The Driving License Points System in Spain

The points system is a key initiative by the Interior Ministry to reduce the number of annual highway deaths... Continue reading "Road Safety, Discrimination, and Economic Impact in Spain" »

Definitions AC. The changing of direction.
CURRENT. The meaning does not change, but may change in value. CURRENT PERIODIC. That which is repeated in cycles with the same period. PERIOD. Time it takes one cycle. CYCLE. Set starting values such that at any one walking back to the all the values of the signal. FREQUENCY. Number of cycles a second. The unit hertz. Resonance frequency is that frequency that makes a circuit is resistive (the circuit contains inductors and capacitors). Or half-power frequency cut-off frequency filter. That often happens in these situations simultaneously: the power half the maximum, the load voltage is 70% of the maximum, the phase angle is 45 degrees. BANDWIDTH. Difference between the cutoff frequencies. OR QUALITY

ITC-BT-32: Electrical Installations for Lifting and Transport Machinery

1. Scope of Application

This instruction addresses the particular requirements for installation systems of electrical equipment used in cranes, lifting equipment, transport, and other similar machinery such as escalators, conveyors, bridge trailers, winches, and electrical scaffolds.

3. Protection to Ensure Safety

3.1. Protection Against Direct Contact

Collecting systems, sets of slip rings, cables, bus bars, and runway assemblies must be locked or positioned so that personnel accessing relevant areas of the facility (e.g., corridors of the sliding guides or crane girder aisles, including access points) are protected against direct contact with live parts.

3.2. Overcurrent Protection

The... Continue reading "Electrical Safety Requirements for Cranes and Lifting Equipment" »

Principal Components of Iron-Carbon Alloys

The main components of iron-carbon alloys include:

• Perlite: Thin films formed with ferrite (light gray) and cementite (dark gray). Carbon content is 0.89%. Ferrite is softer, while cementite is harder.
• Ferrite: Almost pure iron, very soft, ductile, and magnetic. Its structure is cubic.
• Cementite: Located on the right side of the eutectoid point due to its carbon composition (Fe3C). It is the hardest and most fragile constituent of steel.
• Austenite
• Martensite
• Ledeburite: Consisting of cementite and austenite.

Thermal Treatments for Steel

Thermal treatments modify the properties of steel:

• Tempering: Increases hardness, toughness, and yield strength, but also increases fragility. Methods include immersion in water,

Understanding Key Employment Concepts

Worker Rights and Contract Essentials

Basic Worker Rights

Every worker is entitled to fundamental rights, including:

• Union membership and representation.
• Collective bargaining.
• Opportunities for promotion and training.
• Respect for personal privacy.
• Protection against offenses and discrimination.

Essential Employment Contract Elements

An employment contract should clearly specify the following:

• The identity of all parties involved.
• The start date of employment and its anticipated duration.
• The company's registered office.
• The weekly duration and distribution of working hours.
• The duration of holidays.
• The required notice period for contract termination.

Employment Terms and Definitions

The Trial Period Explained

The trial