(a) Every employer shall furnish employment which shall be reasonably safe for the employees engaged therein and shall furnish and use safety devices and safeguards and shall adopt and use methods and processes reasonably adequate to render such employment and the places where the employment is performed reasonably safe for his employees and others who are not trespassers, and he shall do everything reasonably necessary to protect the life, health and safety of his employees and others who are not trespassers.
(b) Every employer and every owner of a place of employment, place of public assembly or public building, now or hereafter constructed, shall so construct, repair and maintain the same as to render it reasonably safe; provided, however, that nothing contained in this section shall be construed or applied so as to impose upon any such owner any duties to his tenant, the members of his family, employees, guests or invitees or others entering upon the premises under the tenant's title, or the public, not now imposed upon him by law.
(c) For the purposes of this section, the following terms shall have the meanings ascribed to them by this subsection:
(1) EMPLOYER. Such term includes every person, firm, corporation, partnership, joint stock association, agent, manager, representative, foreman or other person having control or custody of any employment, place of employment or of any employee, but the terms of this section shall not be construed to cover the employment of agricultural workers or domestic servants.
(2) EMPLOYEE. Such term does not and shall not include agricultural workers or domestic servants.
(3) SAFE and SAFETY. Such terms, applied to any employment or place of employment, place of public assembly or public building, shall mean "reasonably safe" or "reasonable safety" consistent with the lawful purpose of the use and occupancy of the place of employment, place of public assembly or public building and the inherent danger of the employment, the process, operation or situation involved, and, shall include conditions and methods of sanitation and hygiene reasonably necessary for the protection of the life, health and safety of the employees and others who are not trespassers.